PH

By Maria G. Essig, MS, ELS

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pH

pH is a measure of the acidic or basic (alkaline) nature of a solution. The pH scale ranges from 0 (most acidic) to 14 (most basic).

A neutral solution (pure water) has a pH of 7.
Solutions with a pH less than 7 are acidic, with 0 being the most acidic.
Solutions with a pH greater than 7 are basic (alkaline), with 14 being the most basic.

Author:Maria G. Essig, MS, ELS

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Last Updated: 06/17/2008

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