Phenolphthalein Alkalinity

Meaning, Term, and Glossary Definition - What is Phenolphthalein Alkalinity?

The alkalinity in a water sample measured by the amount of standard acid needed to lower the pH to a level of 8.3 as indicated by the change of color of the phenolphthalein from pink to clear.

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Related glossary terms:

Alkalinity   Methyl Orange Alkalinity   
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