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<p>[QUOTE=&quot;John Burgess, post: 7715314, member: 105098&quot;]Hmmm. Well yes. You are quite the stickler to thw details. Lol.</p><p>The pH scale is used to rank solutions in terms of how acidic or how alkali they are. ... This pH value of 7 is important because it indicates a neutral solution. All other substances are compared to this neutral point. Any solution that has a pH of less than 7 is considered acidic, and anything above a pH of 7 is a base (alkali).</p><p><br /></p><p>Knowing this, pH only has meaning in an aqueous solution (in water). Many chemicals, including liquids, do not have pH values. If there&#039;s no water, there&#039;s no pH.</p><p><br /></p><p>But in some chemical contexts, there is a hypothetical pH that exists as a requisite for equilibrium. Like concrete for example a liquid that becomes a solid but it has a pH value. You wouldn&#039;t want to soak your feet in concrete for an hour, your feet with split and toenails will fall off its a pH 13 alkali.</p><p><br /></p><p>pH is more of a measure of free ions in an aqueous solution, not necessarily water but water is a necessary component as the solvent of the solution. Even pure liquid form acetone has water in it. I think if you purchased dry form acetone it would be free of water, but... not sure if it would function as a solvent in that form. I&#039;ve no experience with that to say for sure.</p><p><br /></p><p>Again I&#039;m not a chemist or anything like that, just a hobbyist with interests. I could be way off base, I&#039;ve no formal training.</p><p>Water is a solvent, acetone is a solvent, there are other solvents. pH is a measure of a solution. Perhaps I have it wrong.[/QUOTE]</p><p><br /></p>

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