本標(biāo)準(zhǔn)規(guī)定了工業(yè)循環(huán)冷卻水中Na+、NH4+、K+、Mg2+和Ca2+含量的測定方法。

本標(biāo)準(zhǔn)也適用于地表水、地下水和其他工業(yè)用水中Na+、NH4+、K+、Mg2+和Ca2+含量的測定方法。

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.