- Standard No.
- GB/T 6150.16-2009
- Language
- Chinese, Available in English version
- Release Date
- 2009
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
-
GB/T 6150.16-2009
- Replace
-
GB/T 6150.18-1985
- Scope
- This standard specifies the determination method of iron content in scheelite concentrate. This standard applies to the determination of iron content in scheelite concentrate. Measuring range: 0.05%-10.00%.
GB/T 6150.16-2009 history
- 2009 GB/T 6150.16-2009 Methods for chemical analysis of tungsten concentrates.Determination of iron content.The sulfosalicylic acid spectrophotometry
- 2008 GB/T 6150.14-2008 Methods for chemical analysis of tungsten concentrates.Determination of manganese content.The ammonium ferrous sulfate volumetric method and flame atomic absorption spectrometric method
- 1985 GB/T 6150.16-1985 Methods for chemical analysis of tungsten concentrates--The atomic absorption spectrophotometric method for the determination of manganese content
GB/T 6150.16-2009 Methods for chemical analysis of tungsten concentrates.Determination of iron content.The sulfosalicylic acid spectrophotometry has been changed from GB/T 6150.18-1985 Methods for chemical analysis of tungsten concentrates--The sulphosalicylic acid photometric method for the determination of iron content.