https://www.designingbuildings.co.uk/w/index.php?action=history&feed=atom&title=PH 2026-04-22T14:20:39Z Revision history for this page on the wiki MediaWiki 1.17.4 https://www.designingbuildings.co.uk/w/index.php?title=PH&diff=218790&oldid=prev 2021-11-23T09:25:50Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 09:25, 23 November 2021</td> </tr><tr><td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'>&minus;</td><td style="background: #ffa; color:black; font-size: smaller;"><div>pH <del class="diffchange diffchange-inline">is </del>a: ‘Measure of the acidity or alkalinity of a solution, numerically equal to 7 for neutral solutions, increasing with increasing alkalinity or decreasing with increasing acidity.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">[https://www.ciria.org/ItemDetail?iProductCode=C736F Containment systems for the prevention of pollution, Secondary, tertiary and other measures for industrial and commercial premises] (CIRIA C736), published by CIRIA in 2014 defines </ins>pH <ins class="diffchange diffchange-inline">as </ins>a: ‘Measure of the acidity or alkalinity of a solution, numerically equal to 7 for neutral solutions, increasing with increasing alkalinity or decreasing with increasing acidity.<ins class="diffchange diffchange-inline">'</ins></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>&minus;</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">Ref </del>[https://www.<del class="diffchange diffchange-inline">ciria</del>.<del class="diffchange diffchange-inline">org</del>/<del class="diffchange diffchange-inline">ItemDetail?iProductCode=C736F Containment systems </del>for <del class="diffchange diffchange-inline">the prevention of pollution, Secondary, tertiary </del>and <del class="diffchange diffchange-inline">other measures for industrial and commercial premises] </del>(<del class="diffchange diffchange-inline">CIRIA C736</del>), published by <del class="diffchange diffchange-inline">CIRIA </del>in <del class="diffchange diffchange-inline">2014</del>.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>[https://www.<ins class="diffchange diffchange-inline">bsria</ins>.<ins class="diffchange diffchange-inline">com</ins>/<ins class="diffchange diffchange-inline">uk/product/Bxmbqr/water_treatment_for_closed_heating_and_cooling_systems_bg_502021_a15d25e1 Water Treatment </ins>for <ins class="diffchange diffchange-inline">Closed Heating </ins>and <ins class="diffchange diffchange-inline">Cooling Systems </ins>(<ins class="diffchange diffchange-inline">BG 50/2021</ins>)<ins class="diffchange diffchange-inline">, second edition], by Dr Pamela Simpson</ins>, published by <ins class="diffchange diffchange-inline">BSRIA </ins>in <ins class="diffchange diffchange-inline">2021, defines pH as: ‘A measure of the whether the water is alkaline or acidic based on the logarithm of the hydrogen ion concentration. Water at pH 7 is neutral. Water at greater than pH 7 is alkaline and water at less than pH7 is acidic. For most metals, corrosion rates increase as the pH falls below 7</ins>.<ins class="diffchange diffchange-inline">’</ins></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>&minus;</td><td style="background: #ffa; color:black; font-size: smaller;"><div>= Related articles on Designing Buildings <del class="diffchange diffchange-inline">Wiki </del>=</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>= Related articles on Designing Buildings =</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* Acid.</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* Acid.</div></td></tr> </table>

Designing Buildings https://www.designingbuildings.co.uk/w/index.php?title=PH&diff=187752&oldid=prev 2020-12-28T17:21:27Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 17:21, 28 December 2020</td> </tr><tr><td colspan="2" class="diff-lineno">Line 12:</td> <td colspan="2" class="diff-lineno">Line 12:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* Water.</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>* Water.</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>&minus;</td><td style="background: #ffa; color:black; font-size: smaller;"><div>[[Category:<del class="diffchange diffchange-inline">Definitions</del>]] [[Category:<del class="diffchange diffchange-inline">DCN_Definition</del>]] [[Category:Water]] [[Category:Standards_/_measurements<del class="diffchange diffchange-inline">]] [[Category:DCN_Standard</del>]]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>[[Category:<ins class="diffchange diffchange-inline">DCN_Definition</ins>]] [[Category:<ins class="diffchange diffchange-inline">Definitions</ins>]] [[Category:Water]] [[Category:Standards_/_measurements]]</div></td></tr> </table>

Editor https://www.designingbuildings.co.uk/w/index.php?title=PH&diff=170358&oldid=prev 2020-08-13T10:40:57Z

<p>Created page with &quot;pH is a: ‘Measure of the acidity or alkalinity of a solution, numerically equal to 7 for neutral solutions, increasing with increasing alkalinity or decreasing with increasing ...&quot;</p> <p><b>New page</b></p><div>pH is a: ‘Measure of the acidity or alkalinity of a solution, numerically equal to 7 for neutral solutions, increasing with increasing alkalinity or decreasing with increasing acidity.<br /> <br /> Ref [https://www.ciria.org/ItemDetail?iProductCode=C736F Containment systems for the prevention of pollution, Secondary, tertiary and other measures for industrial and commercial premises] (CIRIA C736), published by CIRIA in 2014.<br /> <br /> = Related articles on Designing Buildings Wiki =<br /> <br /> * Acid.<br /> * CIRIA.<br /> * Corrosion.<br /> * Soil survey.<br /> * Soil treatment.<br /> * Water.<br /> <br /> [[Category:Definitions]] [[Category:DCN_Definition]] [[Category:Water]] [[Category:Standards_/_measurements]] [[Category:DCN_Standard]]</div>

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