GB/T 16634-1996
Industrial circulating cooling water--Determination of zinc for phosphorus-zinc prefilming fluid--Atomic absorption spectrometric method (English Version)

Standard No.
GB/T 16634-1996
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 14637-2007
Latest
GB/T 14637-2021
Scope
This standard specifies the determination method of zinc content in phosphorus-zinc pre-coating solution, that is, atomic absorption spectrometry. This standard is applicable to the determination of the zinc content range of 0.1-20mg/L in the phosphorus-zinc pre-coating solution, and also applicable to the determination of the zinc content in various industrial water, raw water and domestic water.

GB/T 16634-1996 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
  • 1996 GB/T 16634-1996 Industrial circulating cooling water--Determination of zinc for phosphorus-zinc prefilming fluid--Atomic absorption spectrometric method

GB/T 16634-1996 Industrial circulating cooling water--Determination of zinc for phosphorus-zinc prefilming fluid--Atomic absorption spectrometric method was changed to GB/T 14637-2007 Industrial circulating cooling water and scale.Determination of copper,zinc.Atomic absorption spectrometric method.

Industrial circulating cooling water--Determination of zinc for phosphorus-zinc prefilming fluid--Atomic absorption spectrometric method



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