Determination of sodium, ammonium, potassium, magnesium and

本标准规定了工业循环冷却水中Na+、NH4+、K+、Mg2+和Ca2+含量的测定方法。

本标准也适用于地表水、地下水和其他工业用水中Na+、NH4+、K+、Mg2+和Ca2+含量的测定方法。

This standard specifies the determination of Na +, NH4 +, K +, Mg2 + and Ca2 + in industrial circulating cooling water. This standard also applies to the determination of Na +, NH4 +, K +, Mg2 + and Ca2 + in surface water, groundwater and other industrial water.