GB/T 16635-1996
Industrial circulating cooling water--Determination of calcium for phosphorus-zinc prefilming fluid--Atomic absorption spectrometric method (English Version)
- Standard No.
- GB/T 16635-1996
- Language
- Chinese, Available in English version
- Release Date
- 1996
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2008-02
- Replace By
- GB/T 14636-2007
- Latest
- GB/T 14636-2021
- Scope
- This standard specifies the method for the determination of calcium content in phosphorus-zinc precoat solution, that is, atomic absorption spectrometry. This standard applies to the determination of the calcium content in the phosphorus-zinc pre-coating solution ranging from 0.5 to 75 mg/L, and is also applicable to the determination of the calcium content in various industrial water, raw water and domestic water.
GB/T 16635-1996 history
- 2021 GB/T 14636-2021 Determination of calcium and magnesium in industrial circulating cooling water and scale—Atomic absorption spectrometric method
- 2007 GB/T 14636-2007 Industrial circulating cooling water.Determination of calcium,magnesium.Atomic absorption spectrometric method
- 1996 GB/T 16635-1996 Industrial circulating cooling water--Determination of calcium for phosphorus-zinc prefilming fluid--Atomic absorption spectrometric method
GB/T 16635-1996 Industrial circulating cooling water--Determination of calcium for phosphorus-zinc prefilming fluid--Atomic absorption spectrometric method was changed to GB/T 14636-2007 Industrial circulating cooling water.Determination of calcium,magnesium.Atomic absorption spectrometric method.
