- Standard No.
- GB/T 6150.11-2008
- Language
- Chinese, Available in English version
- Release Date
- 2008
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
-
GB/T 6150.11-2008
- Replace
-
GB/T 6150.13-1985
- Scope
- This method specifies the method for the determination of zinc content in tungsten concentrates. This method is suitable for the determination of zinc content in tungsten concentrate. Measuring range: 0.005% to 0.50%.
GB/T 6150.11-2008 history
- 2009 GB/T 6150.9-2009 Methods for chemical analysis of tungsten concentrates.Determination of copper content.Flame atomic absorption spectrometry
- 2008 GB/T 6150.11-2008 Methods for chemical analysis of tungsten concentrates.Determination of zinc content.Flame atomic absorption spectrometric method
- 1985 GB/T 6150.11-1985 Methods for chemical analysis of tungsten concentrates--The atomic absorption spectrophotometric method for the determination of copper content
GB/T 6150.11-2008 Methods for chemical analysis of tungsten concentrates.Determination of zinc content.Flame atomic absorption spectrometric method has been changed from GB/T 6150.13-1985 Methods for chemical analysis of tungsten concentrates--The ammonium hydroxide-ammonium chloride supporting electrolyte polarographic method for the determination of zinc content.