This standard specifies the determination method for zinc in industrial circulating cooling water. This standard is applicable to the determination of zinc content in industrial circulating cooling water of 0.1-20.0mg/L, and also applicable to the determination of zinc content in various industrial water, raw water and domestic water.
GB/T 14637.1-1993 history
2021GB/T 14637-2021 Determination of copper,iron and zinc in industrial circulating cooling water and scale—Atomic absorption spectrometric method
2007GB/T 14637-2007 Industrial circulating cooling water and scale.Determination of copper,zinc.Atomic absorption spectrometric method
1993GB/T 14637.1-1993 Industrial circulating cooling water--Determination of zinc--Atomic absorption spectrometry
GB/T 14637.1-1993 Industrial circulating cooling water--Determination of zinc--Atomic absorption spectrometry was changed to GB/T 14637-2007 Industrial circulating cooling water and scale.Determination of copper,zinc.Atomic absorption spectrometric method.