pH值
pH value The negative common logarithm of the hydrogen ion activity in an aqueous solution, indicating acidity or basicity, $\text{pH} = -\lg a(\text{H}^+)$.
CSCA 化学 考试术语
pH value The negative common logarithm of the hydrogen ion activity in an aqueous solution, indicating acidity or basicity, $\text{pH} = -\lg a(\text{H}^+)$.
CSCA 化学 考试术语