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	<id>https://wiki.intewa.net/index.php?action=history&amp;feed=atom&amp;title=Wasserparameter_bei_der_Wasseraufbereitung%2Fen</id>
	<title>Wasserparameter bei der Wasseraufbereitung/en - Versionsgeschichte</title>
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	<updated>2026-04-29T08:29:35Z</updated>
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	<entry>
		<id>https://wiki.intewa.net/index.php?title=Wasserparameter_bei_der_Wasseraufbereitung/en&amp;diff=2802&amp;oldid=prev</id>
		<title>Sabrina am 7. November 2018 um 16:05 Uhr</title>
		<link rel="alternate" type="text/html" href="https://wiki.intewa.net/index.php?title=Wasserparameter_bei_der_Wasseraufbereitung/en&amp;diff=2802&amp;oldid=prev"/>
		<updated>2018-11-07T16:05:45Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;de&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Nächstältere Version&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version vom 7. November 2018, 16:05 Uhr&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l16&quot; &gt;Zeile 16:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 16:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;''Note:'' The TOC is a sum parameter in the water analysis as well as run-off water analysis and reflects the contamination of water with organic matter. Clean spring waters indicate a TOC content of 1 - 2 mg/l. slightly contaminated rivers and streams show values around 2 - 5 mg/l. The mesotrophic lakes already have the values of 5 - 10 mg/l, and a productive carp pond has a typical value around 15 - 25 mg/l. The value many exceed over 100 mg/l in highly contaminated sewage water.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;''Note:'' The TOC is a sum parameter in the water analysis as well as run-off water analysis and reflects the contamination of water with organic matter. Clean spring waters indicate a TOC content of 1 - 2 mg/l. slightly contaminated rivers and streams show values around 2 - 5 mg/l. The mesotrophic lakes already have the values of 5 - 10 mg/l, and a productive carp pond has a typical value around 15 - 25 mg/l. The value many exceed over 100 mg/l in highly contaminated sewage water.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;'''Spectral Absorption Coefficient''' &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;245nm &lt;/del&gt;SAK (1/m)&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;'''Spectral Absorption Coefficient''' &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;245 nm &lt;/ins&gt;SAK (1/m)&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The UV absorption is a sum parameter for water pollution by dissolved organic substances such as aromatic compounds and humic substances. The Spectral Absorption Co-efficient and Extinction per meter is converted with a measurement wavelength of 254 nm. &amp;lt;ref name=&amp;quot;isa&amp;quot;&amp;gt;ISA – Institut für Siedlungswasserwirtschaft der RWTH Aachen&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The UV absorption is a sum parameter for water pollution by dissolved organic substances such as aromatic compounds and humic substances. The Spectral Absorption Co-efficient and Extinction per meter is converted with a measurement wavelength of 254 nm. &amp;lt;ref name=&amp;quot;isa&amp;quot;&amp;gt;ISA – Institut für Siedlungswasserwirtschaft der RWTH Aachen&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Sabrina</name></author>
	</entry>
	<entry>
		<id>https://wiki.intewa.net/index.php?title=Wasserparameter_bei_der_Wasseraufbereitung/en&amp;diff=2800&amp;oldid=prev</id>
		<title>Sabrina am 7. November 2018 um 16:05 Uhr</title>
		<link rel="alternate" type="text/html" href="https://wiki.intewa.net/index.php?title=Wasserparameter_bei_der_Wasseraufbereitung/en&amp;diff=2800&amp;oldid=prev"/>
		<updated>2018-11-07T16:05:35Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;de&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Nächstältere Version&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version vom 7. November 2018, 16:05 Uhr&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l12&quot; &gt;Zeile 12:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 12:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This value is critical if the water is to be stored for a longer period, without formation of any odour. (For instance, absence for few days).&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This value is critical if the water is to be stored for a longer period, without formation of any odour. (For instance, absence for few days).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The '''Total Organic Carbon''' TOC (mg/&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;l&lt;/del&gt;) content is the amount of organic carbon compounds in a sample. These are burnt during the analysis and the amount of the resulting CO2 is measured. &amp;lt;ref name=&amp;quot;isa&amp;quot;&amp;gt;ISA – Institut für Siedlungswasserwirtschaft der RWTH Aachen&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The '''Total Organic Carbon''' TOC (mg/&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;L&lt;/ins&gt;) content is the amount of organic carbon compounds in a sample. These are burnt during the analysis and the amount of the resulting CO2 is measured. &amp;lt;ref name=&amp;quot;isa&amp;quot;&amp;gt;ISA – Institut für Siedlungswasserwirtschaft der RWTH Aachen&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;''Note:'' The TOC is a sum parameter in the water analysis as well as run-off water analysis and reflects the contamination of water with organic matter. Clean spring waters indicate a TOC content of 1 - 2 mg/l. slightly contaminated rivers and streams show values around 2 - 5 mg/l. The mesotrophic lakes already have the values of 5 - 10 mg/l, and a productive carp pond has a typical value around 15 - 25 mg/l. The value many exceed over 100 mg/l in highly contaminated sewage water.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;''Note:'' The TOC is a sum parameter in the water analysis as well as run-off water analysis and reflects the contamination of water with organic matter. Clean spring waters indicate a TOC content of 1 - 2 mg/l. slightly contaminated rivers and streams show values around 2 - 5 mg/l. The mesotrophic lakes already have the values of 5 - 10 mg/l, and a productive carp pond has a typical value around 15 - 25 mg/l. The value many exceed over 100 mg/l in highly contaminated sewage water.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Sabrina</name></author>
	</entry>
	<entry>
		<id>https://wiki.intewa.net/index.php?title=Wasserparameter_bei_der_Wasseraufbereitung/en&amp;diff=2798&amp;oldid=prev</id>
		<title>Sabrina am 7. November 2018 um 16:04 Uhr</title>
		<link rel="alternate" type="text/html" href="https://wiki.intewa.net/index.php?title=Wasserparameter_bei_der_Wasseraufbereitung/en&amp;diff=2798&amp;oldid=prev"/>
		<updated>2018-11-07T16:04:51Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;de&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Nächstältere Version&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version vom 7. November 2018, 16:04 Uhr&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l8&quot; &gt;Zeile 8:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 8:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The Biochemical Oxygen Demand BOD&amp;lt;sub&amp;gt;5&amp;lt;/sub&amp;gt; is the amount of oxygen consumed in biochemically oxidizable organic substances contained in one litre of water  in 5 days under the corresponding metabolic activity of the microorganisms at 20 °C in dark (in mg O2/l).&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The Biochemical Oxygen Demand BOD&amp;lt;sub&amp;gt;5&amp;lt;/sub&amp;gt; is the amount of oxygen consumed in biochemically oxidizable organic substances contained in one litre of water  in 5 days under the corresponding metabolic activity of the microorganisms at 20 °C in dark (in mg O2/l).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;''Note:'' If the BOD&amp;lt;sub&amp;gt;5&amp;lt;/sub value attains a value of &amp;lt;10 mg / litre (organically biodegradable load), then it is no longer putrefactive under normal conditions. &amp;lt;ref name=&amp;quot;H.M.&amp;quot;&amp;gt;Hans Mönnighoff, 1993, Ökobuchverlag&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;''Note:'' If the BOD&amp;lt;sub&amp;gt;5&amp;lt;/sub&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;gt; &lt;/ins&gt;value attains a value of &amp;lt;10 mg / litre (organically biodegradable load), then it is no longer putrefactive under normal conditions. &amp;lt;ref name=&amp;quot;H.M.&amp;quot;&amp;gt;Hans Mönnighoff, 1993, Ökobuchverlag&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This value is critical if the water is to be stored for a longer period, without formation of any odour. (For instance, absence for few days).&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This value is critical if the water is to be stored for a longer period, without formation of any odour. (For instance, absence for few days).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Sabrina</name></author>
	</entry>
	<entry>
		<id>https://wiki.intewa.net/index.php?title=Wasserparameter_bei_der_Wasseraufbereitung/en&amp;diff=2796&amp;oldid=prev</id>
		<title>Sabrina: Die Seite wurde neu angelegt: „=Sources= &lt;references /&gt;“</title>
		<link rel="alternate" type="text/html" href="https://wiki.intewa.net/index.php?title=Wasserparameter_bei_der_Wasseraufbereitung/en&amp;diff=2796&amp;oldid=prev"/>
		<updated>2018-11-07T16:03:25Z</updated>

		<summary type="html">&lt;p&gt;Die Seite wurde neu angelegt: „=Sources= &amp;lt;references /&amp;gt;“&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Nächstältere Version&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version vom 7. November 2018, 16:03 Uhr&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l64&quot; &gt;Zeile 64:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 64:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;They are obtained via rainwater in groundwater which is filtered through the rock bed. Heavy metals can accumulate in the human body. (WHO Guidelines for TW [sticky limit]). Heavy metals can be removed from water only via complex processes such as distillation or flocculation.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;They are obtained via rainwater in groundwater which is filtered through the rock bed. Heavy metals can accumulate in the human body. (WHO Guidelines for TW [sticky limit]). Heavy metals can be removed from water only via complex processes such as distillation or flocculation.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;=&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;=Quellen=&lt;/del&gt;=&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;=&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Sources&lt;/ins&gt;=&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;references /&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;references /&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Sabrina</name></author>
	</entry>
	<entry>
		<id>https://wiki.intewa.net/index.php?title=Wasserparameter_bei_der_Wasseraufbereitung/en&amp;diff=2794&amp;oldid=prev</id>
		<title>Sabrina: Die Seite wurde neu angelegt: „'''Heavy metals''' Lead, cadmium, chromium, nickel, copper, zinc, mercury are heavy metals. They are obtained via rainwater in groundwater which is filtered th…“</title>
		<link rel="alternate" type="text/html" href="https://wiki.intewa.net/index.php?title=Wasserparameter_bei_der_Wasseraufbereitung/en&amp;diff=2794&amp;oldid=prev"/>
		<updated>2018-11-07T16:03:20Z</updated>

		<summary type="html">&lt;p&gt;Die Seite wurde neu angelegt: „&amp;#039;&amp;#039;&amp;#039;Heavy metals&amp;#039;&amp;#039;&amp;#039; Lead, cadmium, chromium, nickel, copper, zinc, mercury are heavy metals. They are obtained via rainwater in groundwater which is filtered th…“&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;de&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Nächstältere Version&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version vom 7. November 2018, 16:03 Uhr&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l61&quot; &gt;Zeile 61:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 61:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Measuring unit of turbidity: NTU, according to WHO TW (turbidity value) should be &amp;lt;1 NTU (Katadyn Water Guide)&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Measuring unit of turbidity: NTU, according to WHO TW (turbidity value) should be &amp;lt;1 NTU (Katadyn Water Guide)&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;'''&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Schwermetalle&lt;/del&gt;''' &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;sind Blei&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Cadmium&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Chrom&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Nickel&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Kupfer&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Zink&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Quecksilber&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;'''&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Heavy metals&lt;/ins&gt;''' &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Lead&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;cadmium&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;chromium&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;nickel&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;copper&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;zinc&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;mercury are heavy metals&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Gelangen über das Regenwasser, welches durch die Gesteinsschichten gefiltert wird, &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;das Grundwasser&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Schwermetalle können sich im menschlichen Körper ablagern&lt;/del&gt;.&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;lt;ref name=&amp;quot;WHO&amp;quot;&amp;gt;&lt;/del&gt;WHO &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Richtlinien für &lt;/del&gt;TW&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;lt;/ref&amp;gt; Schwermetalle lassen sich nur über aufwändige Verfahren, wie der Destillation oder der Flockung, aus dem Wasser entfernen&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Schwermetalle können aber auch aus Metalldächern gelöst werden und so in den Regenwasserspeicher gelangen&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;They are obtained via rainwater &lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;groundwater which is filtered through the rock bed&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Heavy metals can accumulate in the human body&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;(&lt;/ins&gt;WHO &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Guidelines for &lt;/ins&gt;TW &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;[sticky limit]). Heavy metals can be removed from water only via complex processes such as distillation or flocculation&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Quellen==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Quellen==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;references /&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;references /&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Sabrina</name></author>
	</entry>
	<entry>
		<id>https://wiki.intewa.net/index.php?title=Wasserparameter_bei_der_Wasseraufbereitung/en&amp;diff=2792&amp;oldid=prev</id>
		<title>Sabrina: Die Seite wurde neu angelegt: „* Generally, it deals with safe sediments, undissolved particles, also known as suspended particles * Dissolved matter, the microbes serve as a nutritive mediu…“</title>
		<link rel="alternate" type="text/html" href="https://wiki.intewa.net/index.php?title=Wasserparameter_bei_der_Wasseraufbereitung/en&amp;diff=2792&amp;oldid=prev"/>
		<updated>2018-11-07T16:03:14Z</updated>

		<summary type="html">&lt;p&gt;Die Seite wurde neu angelegt: „* Generally, it deals with safe sediments, undissolved particles, also known as suspended particles * Dissolved matter, the microbes serve as a nutritive mediu…“&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;de&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Nächstältere Version&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version vom 7. November 2018, 16:03 Uhr&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l56&quot; &gt;Zeile 56:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 56:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;'''Turbidity''' is a unit measuring the proportion of finely divided particles and suspended solids in the water sample. It is determined at 860 nm wavelength. &amp;lt;ref name=&amp;quot;isa&amp;quot;&amp;gt;ISA – Institut für Siedlungswasserwirtschaft der RWTH Aachen&amp;lt;/ref&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;'''Turbidity''' is a unit measuring the proportion of finely divided particles and suspended solids in the water sample. It is determined at 860 nm wavelength. &amp;lt;ref name=&amp;quot;isa&amp;quot;&amp;gt;ISA – Institut für Siedlungswasserwirtschaft der RWTH Aachen&amp;lt;/ref&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;i.d.R. handelt es sich um ungefährliche Sedimente&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;ungelöste Partikel&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;sogenannte. Schwebstoffe&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Generally&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;it deals with safe sediments&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;undissolved particles, also known as suspended particles&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Wasserinhaltsstoffe&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;die Kleinlebewesen als Nährsubstanz dienen und so deren Wachstum fördern&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Dissolved matter&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;the microbes serve as a nutritive medium and thereby their growth is fostered&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;sie verhindern eine effektive Desinfektion &lt;/del&gt;(&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Chlorzehrung&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Chlor lagert sich an den Partikeln an&lt;/del&gt;), &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;daher muss trübes Wasser vorher gefiltert werden&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;They prevent an effective disinfection &lt;/ins&gt;(&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;chlorine uptake&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;chlorine attaches to the particles&lt;/ins&gt;)&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;; therefore&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;turbid water must be filtered first&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Maßeinheit für Trübung&lt;/del&gt;: NTU, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;nach &lt;/del&gt;WHO &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;soll &lt;/del&gt;TW &amp;lt; 1 NTU &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;aufweisen &lt;/del&gt;(Katadyn &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Wasserfibel&lt;/del&gt;)&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Measuring unit of turbidity&lt;/ins&gt;: NTU, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;according to &lt;/ins&gt;WHO TW &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;(turbidity value) should be &lt;/ins&gt;&amp;lt;1 NTU (Katadyn &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Water Guide&lt;/ins&gt;)&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;'''Schwermetalle''' sind Blei, Cadmium, Chrom, Nickel, Kupfer, Zink, Quecksilber.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;'''Schwermetalle''' sind Blei, Cadmium, Chrom, Nickel, Kupfer, Zink, Quecksilber.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Sabrina</name></author>
	</entry>
	<entry>
		<id>https://wiki.intewa.net/index.php?title=Wasserparameter_bei_der_Wasseraufbereitung/en&amp;diff=2790&amp;oldid=prev</id>
		<title>Sabrina: Die Seite wurde neu angelegt: „'''Turbidity''' is a unit measuring the proportion of finely divided particles and suspended solids in the water sample. It is determined at 860 nm wavelength.…“</title>
		<link rel="alternate" type="text/html" href="https://wiki.intewa.net/index.php?title=Wasserparameter_bei_der_Wasseraufbereitung/en&amp;diff=2790&amp;oldid=prev"/>
		<updated>2018-11-07T16:03:06Z</updated>

		<summary type="html">&lt;p&gt;Die Seite wurde neu angelegt: „&amp;#039;&amp;#039;&amp;#039;Turbidity&amp;#039;&amp;#039;&amp;#039; is a unit measuring the proportion of finely divided particles and suspended solids in the water sample. It is determined at 860 nm wavelength.…“&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;de&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Nächstältere Version&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version vom 7. November 2018, 16:03 Uhr&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l54&quot; &gt;Zeile 54:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 54:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Theoretically, chemically pure water at 22 °C has a pH value of 7 (the equilibrium constant for dissociation of water is about 10-14). This value is specified as chemically neutral. However, chemically pure water has no buffer and hence reacts to the slightest contamination with a significant change in pH value. Therefore due to CO2 solution, a pH value of 4.5 and 5 is immediately set in previously chemically pure water with admission of air. &amp;lt;ref name=&amp;quot;Wiki&amp;quot;&amp;gt;Wikipedia&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Theoretically, chemically pure water at 22 °C has a pH value of 7 (the equilibrium constant for dissociation of water is about 10-14). This value is specified as chemically neutral. However, chemically pure water has no buffer and hence reacts to the slightest contamination with a significant change in pH value. Therefore due to CO2 solution, a pH value of 4.5 and 5 is immediately set in previously chemically pure water with admission of air. &amp;lt;ref name=&amp;quot;Wiki&amp;quot;&amp;gt;Wikipedia&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Die &lt;/del&gt;'''&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Trübung&lt;/del&gt;''' &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;(1/m) ist ein Maß für den Anteil von fein verteilten Partikeln und ungelösten Stoffen &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;der Wasserprobe&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Sie wird bei &lt;/del&gt;860 nm &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Wellenlänge bestimmt&lt;/del&gt;.&amp;lt;ref name=&amp;quot;isa&amp;quot;&amp;gt;ISA – Institut für Siedlungswasserwirtschaft der RWTH Aachen&amp;lt;/ref&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;'''&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Turbidity&lt;/ins&gt;''' &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;is a unit measuring the proportion of finely divided particles and suspended solids &lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;the water sample&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;It is determined at &lt;/ins&gt;860 nm &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;wavelength&lt;/ins&gt;. &amp;lt;ref name=&amp;quot;isa&amp;quot;&amp;gt;ISA – Institut für Siedlungswasserwirtschaft der RWTH Aachen&amp;lt;/ref&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* i.d.R. handelt es sich um ungefährliche Sedimente, ungelöste Partikel, sogenannte. Schwebstoffe&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* i.d.R. handelt es sich um ungefährliche Sedimente, ungelöste Partikel, sogenannte. Schwebstoffe&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Sabrina</name></author>
	</entry>
	<entry>
		<id>https://wiki.intewa.net/index.php?title=Wasserparameter_bei_der_Wasseraufbereitung/en&amp;diff=2788&amp;oldid=prev</id>
		<title>Sabrina: Die Seite wurde neu angelegt: „And divides the pH values of dilute aqueous solutions into: * pH &lt; 7 as acidic aqueous solution, here it is cH3O+ &gt; cOH− * pH = 7 as neutral aqueous solution…“</title>
		<link rel="alternate" type="text/html" href="https://wiki.intewa.net/index.php?title=Wasserparameter_bei_der_Wasseraufbereitung/en&amp;diff=2788&amp;oldid=prev"/>
		<updated>2018-11-07T16:02:54Z</updated>

		<summary type="html">&lt;p&gt;Die Seite wurde neu angelegt: „And divides the pH values of dilute aqueous solutions into: * pH &amp;lt; 7 as acidic aqueous solution, here it is cH3O+ &amp;gt; cOH− * pH = 7 as neutral aqueous solution…“&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Nächstältere Version&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version vom 7. November 2018, 16:02 Uhr&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l47&quot; &gt;Zeile 47:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 47:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;K&amp;lt;sub&amp;gt;W&amp;lt;/sub&amp;gt; = ''c''(H&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;O+) • ''c''(OH−) = 10^(−14) mol²/l²&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;K&amp;lt;sub&amp;gt;W&amp;lt;/sub&amp;gt; = ''c''(H&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;O+) • ''c''(OH−) = 10^(−14) mol²/l²&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;und teilt &lt;/del&gt;pH&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;-Werte von verdünnten wässrigen Lösungen ein in&lt;/del&gt;:&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;And divides the &lt;/ins&gt;pH &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;values of dilute aqueous solutions into&lt;/ins&gt;:&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;'''&lt;/del&gt;pH &amp;lt; 7&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;''' als saure wässrige Lösung&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;hier ist ''c''H&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;O&lt;/del&gt;+ &amp;gt; &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;''c''OH−&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* pH &amp;lt; 7 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;as acidic aqueous solution&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;here it is cH3O&lt;/ins&gt;+ &amp;gt; &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;cOH−&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;'''&lt;/del&gt;pH = 7&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;''' als neutrale wässrige Lösung&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;hier ist ''c''H3O&lt;/del&gt;+ = &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;''c''OH−&lt;/del&gt;; &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;auch eine Eigenschaft von reinem Wasser&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* pH = 7 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;as neutral aqueous solution&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;here it is cH3O&lt;/ins&gt;+ = &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;cOH−&lt;/ins&gt;; &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;along with a property of pure water&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;'''&lt;/del&gt;pH &amp;gt; 7&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;''' als basische &lt;/del&gt;(&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;alkalische&lt;/del&gt;) &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;wässrige Lösung&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;hier ist ''c''H&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;O&lt;/del&gt;+ &amp;lt; &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;''c''OH−&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* pH &amp;gt; 7 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;as basic &lt;/ins&gt;(&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;alkaline&lt;/ins&gt;) &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;aqueous solution&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;here it is cH3O&lt;/ins&gt;+ &amp;lt; &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;cOH−&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Chemisch reines Wasser von &lt;/del&gt;22 °C &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;hat einen theoretischen &lt;/del&gt;pH&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;-Wert von &lt;/del&gt;7 (&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;die Gleichgewichtskonstante für die Dissoziation von Wasser beträgt dann genau &lt;/del&gt;10&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;^(−14)&lt;/del&gt;). &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Dieser Wert ist als chemisch &lt;/del&gt;neutral &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;definiert&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Allerdings hat chemisch reines Wasser keinen Puffer und reagiert damit auf geringste Verunreinigungen mit einer deutlichen &lt;/del&gt;pH&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;-Wert-Änderung&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;So stellt sich in zuvor chemisch reinem Wasser bei Luftzutritt infolge Lösung von CO&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt; sofort ein &lt;/del&gt;pH&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;-Wert zwischen &lt;/del&gt;4&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;,&lt;/del&gt;5 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;und &lt;/del&gt;5 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;ein&lt;/del&gt;.&amp;lt;ref name=&amp;quot;Wiki&amp;quot;&amp;gt;Wikipedia&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Theoretically, chemically pure water at &lt;/ins&gt;22 °C &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;has a &lt;/ins&gt;pH &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;value of &lt;/ins&gt;7 (&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;the equilibrium constant for dissociation of water is about &lt;/ins&gt;10&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;-14&lt;/ins&gt;). &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;This value is specified as chemically &lt;/ins&gt;neutral. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;However, chemically pure water has no buffer and hence reacts to the slightest contamination with a significant change in &lt;/ins&gt;pH &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;value&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Therefore due to CO2 solution, a &lt;/ins&gt;pH &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;value of &lt;/ins&gt;4&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;.&lt;/ins&gt;5 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;and &lt;/ins&gt;5 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;is immediately set in previously chemically pure water with admission of air&lt;/ins&gt;. &amp;lt;ref name=&amp;quot;Wiki&amp;quot;&amp;gt;Wikipedia&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Die '''Trübung''' (1/m) ist ein Maß für den Anteil von fein verteilten Partikeln und ungelösten Stoffen in der Wasserprobe. Sie wird bei 860 nm Wellenlänge bestimmt.&amp;lt;ref name=&amp;quot;isa&amp;quot;&amp;gt;ISA – Institut für Siedlungswasserwirtschaft der RWTH Aachen&amp;lt;/ref&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Die '''Trübung''' (1/m) ist ein Maß für den Anteil von fein verteilten Partikeln und ungelösten Stoffen in der Wasserprobe. Sie wird bei 860 nm Wellenlänge bestimmt.&amp;lt;ref name=&amp;quot;isa&amp;quot;&amp;gt;ISA – Institut für Siedlungswasserwirtschaft der RWTH Aachen&amp;lt;/ref&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Sabrina</name></author>
	</entry>
	<entry>
		<id>https://wiki.intewa.net/index.php?title=Wasserparameter_bei_der_Wasseraufbereitung/en&amp;diff=2785&amp;oldid=prev</id>
		<title>Sabrina: Die Seite wurde neu angelegt: „The '''pH value''' is a measure of the acidic or basic character of an aqueous solution. The pH value is a non-dimensional unit. The ionic product of water at…“</title>
		<link rel="alternate" type="text/html" href="https://wiki.intewa.net/index.php?title=Wasserparameter_bei_der_Wasseraufbereitung/en&amp;diff=2785&amp;oldid=prev"/>
		<updated>2018-11-07T16:01:32Z</updated>

		<summary type="html">&lt;p&gt;Die Seite wurde neu angelegt: „The &amp;#039;&amp;#039;&amp;#039;pH value&amp;#039;&amp;#039;&amp;#039; is a measure of the acidic or basic character of an aqueous solution. The pH value is a non-dimensional unit. The ionic product of water at…“&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Nächstältere Version&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version vom 7. November 2018, 16:01 Uhr&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l42&quot; &gt;Zeile 42:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 42:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The chemically pure water with pH of 7 is dissociated only to a limited extent in the H3O+ and OH-electric charge carriers. Therefore, it has a specific high resistance of 18.2 M Ω •cm (= 1.82×1013 Ω •mm²/m) at 25 °C. This corresponds to a specific conductance value of 54.9 nS•cm−. Thereby the effect of variation of temperature is about 1.5 to 2% per Kelvin. Dissolved salts and acids intensify the concentration of charge carrier. Already the mains water reaches up to about 10,000 times the conductivity of an average of 500 µS•cm−1 depending on the mineral content. &amp;lt;ref name=&amp;quot;Wiki&amp;quot;&amp;gt;Wikipedia&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The chemically pure water with pH of 7 is dissociated only to a limited extent in the H3O+ and OH-electric charge carriers. Therefore, it has a specific high resistance of 18.2 M Ω •cm (= 1.82×1013 Ω •mm²/m) at 25 °C. This corresponds to a specific conductance value of 54.9 nS•cm−. Thereby the effect of variation of temperature is about 1.5 to 2% per Kelvin. Dissolved salts and acids intensify the concentration of charge carrier. Already the mains water reaches up to about 10,000 times the conductivity of an average of 500 µS•cm−1 depending on the mineral content. &amp;lt;ref name=&amp;quot;Wiki&amp;quot;&amp;gt;Wikipedia&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Der &lt;/del&gt;'''pH&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;-Wert&lt;/del&gt;''' &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;ist ein Maß für den sauren oder basischen Charakter einer wässrigen Lösung&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Der &lt;/del&gt;pH-&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Wert ist eine dimensionslose Zahl&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;The &lt;/ins&gt;'''pH &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;value&lt;/ins&gt;''' &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;is a measure of the acidic or basic character of an aqueous solution&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;The &lt;/ins&gt;pH &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;value is a non&lt;/ins&gt;-&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dimensional unit&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Durch die Autoprotolyse ergibt sich das Ionenprodukt des Wassers bei &lt;/del&gt;25 °C &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;zu&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;The ionic product of water at &lt;/ins&gt;25 °C &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;gives following results with autoprotolysis.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;K&amp;lt;sub&amp;gt;W&amp;lt;/sub&amp;gt; = ''c''(H&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;O+) • ''c''(OH−) = 10^(−14) mol²/l²&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;K&amp;lt;sub&amp;gt;W&amp;lt;/sub&amp;gt; = ''c''(H&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;O+) • ''c''(OH−) = 10^(−14) mol²/l²&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Sabrina</name></author>
	</entry>
	<entry>
		<id>https://wiki.intewa.net/index.php?title=Wasserparameter_bei_der_Wasseraufbereitung/en&amp;diff=2783&amp;oldid=prev</id>
		<title>Sabrina: Die Seite wurde neu angelegt: „The chemically pure water with pH of 7 is dissociated only to a limited extent in the H3O+ and OH-electric charge carriers. Therefore, it has a specific high r…“</title>
		<link rel="alternate" type="text/html" href="https://wiki.intewa.net/index.php?title=Wasserparameter_bei_der_Wasseraufbereitung/en&amp;diff=2783&amp;oldid=prev"/>
		<updated>2018-11-07T16:01:25Z</updated>

		<summary type="html">&lt;p&gt;Die Seite wurde neu angelegt: „The chemically pure water with pH of 7 is dissociated only to a limited extent in the H3O+ and OH-electric charge carriers. Therefore, it has a specific high r…“&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;de&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Nächstältere Version&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version vom 7. November 2018, 16:01 Uhr&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l40&quot; &gt;Zeile 40:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 40:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;'''Conductivity [µS/cm]'''&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;'''Conductivity [µS/cm]'''&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Chemisch reines Wasser ist bei einem [[&lt;/del&gt;pH&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;-Wert]] von &lt;/del&gt;7 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;nur in geringem Umfang &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;die elektrischen Ladungsträger H&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;O&lt;/del&gt;+ &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;und OH− dissoziiert&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Es besitzt daher einen hohen spezifischen Widerstand von &lt;/del&gt;18&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;,&lt;/del&gt;2 M Ω &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;• cm &lt;/del&gt;(= 1&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;,82×10^13 &lt;/del&gt;Ω &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;• mm²&lt;/del&gt;/m) &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;bei &lt;/del&gt;25 °C. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Dieses entspricht einem spezifischen Leitwert von &lt;/del&gt;54&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;,&lt;/del&gt;9 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;nS • cm&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Die Temperaturabhängigkeit beträgt dabei ungefähr &lt;/del&gt;1&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;,&lt;/del&gt;5 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;bis &lt;/del&gt;2 % &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;pro &lt;/del&gt;Kelvin. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Gelöste Salze und Säuren erhöhen die Ladungsträgerkonzentration&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Bereits Leitungswasser erreicht je nach Mineralgehalt bis etwa die &lt;/del&gt;10&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;.&lt;/del&gt;000&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;-fache Leitfähigkeit von durchschnittlich &lt;/del&gt;500 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;µS • cm&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;The chemically pure water with &lt;/ins&gt;pH &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;of &lt;/ins&gt;7 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;is dissociated only to a limited extent &lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;the H3O&lt;/ins&gt;+ &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;and OH-electric charge carriers&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Therefore, it has a specific high resistance of &lt;/ins&gt;18&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;.&lt;/ins&gt;2 M Ω &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;•cm &lt;/ins&gt;(= 1&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;.82×1013 &lt;/ins&gt;Ω &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;•mm²&lt;/ins&gt;/m) &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;at &lt;/ins&gt;25 °C. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;This corresponds to a specific conductance value of &lt;/ins&gt;54&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;.&lt;/ins&gt;9 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;nS•cm−&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Thereby the effect of variation of temperature is about &lt;/ins&gt;1&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;.&lt;/ins&gt;5 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;to &lt;/ins&gt;2% &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;per &lt;/ins&gt;Kelvin. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Dissolved salts and acids intensify the concentration of charge carrier&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Already the mains water reaches up to about &lt;/ins&gt;10&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;,&lt;/ins&gt;000 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;times the conductivity of an average of &lt;/ins&gt;500 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;µS•cm−1 depending on the mineral content&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;lt;ref name=&amp;quot;Wiki&amp;quot;&amp;gt;Wikipedia&amp;lt;/ref&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Der '''pH-Wert''' ist ein Maß für den sauren oder basischen Charakter einer wässrigen Lösung. Der pH-Wert ist eine dimensionslose Zahl.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Der '''pH-Wert''' ist ein Maß für den sauren oder basischen Charakter einer wässrigen Lösung. Der pH-Wert ist eine dimensionslose Zahl.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Sabrina</name></author>
	</entry>
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