Home > Terms > English, UK (UE) > Phenolphthalein alkalinity
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 colour of the phenolphthalein from pink to clear.
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- Part of Speech: noun
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- Industry/Domain: Agricultural chemicals
- Category: Pesticides
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