pH定义辩证

Differentiation of pH definition

通过比较GB 3102.8—1993和其他出版物对pH的定义,指出目前出版物中pH定义普遍存在的问题,提出pH的形式定义应为pH=-lga（H＋）。

The pH definition in National Standard GB3102.8-1993 and in other publications is compared,common problems of the pH definitions in publications are indicated.It puts forward that the formal definition of pH should be pH=-lga（H＋）.