- Standard No.
- GB/T 6150.5-2008
- 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 6150.5-2008
- Replace
-
GB/T 6150.6-1985
GB/T 6150.7-1985
- Scope
- This method specifies the method for the determination of calcium content in tungsten concentrates. This method is suitable for the determination of calcium content in tungsten concentrate. Measuring range: greater than 1% to 20%.
GB/T 6150.5-2008 history
- 2008 GB/T 6150.4-2008 Methods for chemical analysis of tungsten concentrates.Determination of sulfur content .The high frequency-infrared absorption method
- 1985 GB/T 6150.5-1985 Methods for chemical analysis of tungsten concentrates--The barium sulfate gravimetric method for the determination of sulfur content
GB/T 6150.5-2008 Methods for chemical analysis of tungsten concentrates.Determination of calcium content .EDTA volumetric method and flame atomic absorption spectrometric method has been changed from GB/T 6150.6-1985 Methods for chemical analysis of tungsten concentrates--The EDTA volumetric method for the determination of calcium content.
GB/T 6150.5-2008 Methods for chemical analysis of tungsten concentrates.Determination of calcium content .EDTA volumetric method and flame atomic absorption spectrometric method has been changed from GB/T 6150.7-1985 Methods for chemical analysis of tungsten concentrates--The atomic absorption spectrophotometric method for the determination of calcium content.