GB/T 14638.1-1993
Industrial circulating cooling water--Determination of copper--Atomic absorption spectrometry (English Version)
- Standard No.
- GB/T 14638.1-1993
- 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
- 2008-02
- Replace By
- GB/T 14637-2007
- Latest
- GB/T 14637-2021
- Scope
- This standard specifies the determination method of copper in industrial circulating cooling water. This standard is applicable to the determination of copper content in industrial circulating cooling water ranging from 0.5 to 50 mg/L, and also applicable to the determination of copper content in various industrial water, raw water and domestic water.
GB/T 14638.1-1993 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 14638.1-1993 Industrial circulating cooling water--Determination of copper--Atomic absorption spectrometry
GB/T 14638.1-1993 Industrial circulating cooling water--Determination of copper--Atomic absorption spectrometry was changed to GB/T 14637-2007 Industrial circulating cooling water and scale.Determination of copper,zinc.Atomic absorption spectrometric method.
