GB/T 14637.2-1993
Scale in industrial circulating cooling water--Determi zinc--Atomic absorption spectrometry (English Version)

Standard No.

GB/T 14637.2-1993

Language

Chinese, Available in English version

Release Date

1993

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2008-02

Replace By

GB/T 14637-2007

Latest

GB/T 14637-2021

Scope

This standard specifies the method for the determination of zinc content in scale in industrial circulating cooling water. This standard is applicable to the determination of 0.01%-1% (0.1-10mg/g) zinc content in scale in industrial circulating cooling water, and also applicable to the determination of zinc content in scale in boiler water.

GB/T 14637.2-1993 history

• 2021 GB/T 14637-2021 Determination of copper,iron and zinc in industrial circulating cooling water and scale—Atomic absorption spectrometric method
• 2007 GB/T 14637-2007 Industrial circulating cooling water and scale.Determination of copper,zinc.Atomic absorption spectrometric method
• 1993 GB/T 14637.2-1993 Scale in industrial circulating cooling water--Determi zinc--Atomic absorption spectrometry

GB/T 14637.2-1993 -All Parts