- Standard No.
- GB/T 6150.11-1985
- Language
- Chinese
- Release Date
- 1985
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Replace By
-
GB/T 6150.9-2009
- Lastest
-
GB/T 6150.9-2009
- Scope
- This standard applies to the determination of copper content in tungsten concentrate. Measuring range: 0.005~0.500%.
GB/T 6150.11-1985 history
- 2009 GB/T 6150.9-2009 Methods for chemical analysis of tungsten concentrates.Determination of copper content.Flame atomic absorption spectrometry
- 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 6150.11-1985 Methods for chemical analysis of tungsten concentrates--The atomic absorption spectrophotometric method for the determination of copper content was changed to GB/T 6150.9-2009 Methods for chemical analysis of tungsten concentrates.Determination of copper content.Flame atomic absorption spectrometry.