- Standard No.
- GB/T 4324.8-2008
- 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 4324.8-2008
- Replace
-
GB/T 4324.9-1984
GB/T 4324.8-1984
- Scope
- This method specifies the determination method of nickel content in tungsten powder, tungsten rod, tungsten carbide, tungsten trioxide, tungstic acid, blue tungsten, purple tungsten, ammonium paratungstate and ammonium metatungstate. This method is applicable to the determination of nickel content in tungsten powder, tungsten bar, tungsten carbide, tungsten trioxide, tungstic acid, blue tungsten, purple tungsten, ammonium paratungstate and ammonium metatungstate. Measuring range: 0.0004% to 0.050%.
GB/T 4324.8-2008 history
- 2008 GB/T 4324.8-2008 Methods for chemical analysis of tungsten.Determination of nickel content.The inductively coupled plasma atomic emission spectrometry、flame atomic absorption spectrometry and dimethylglyoxime gravimetry
- 1984 GB/T 4324.8-1984 Methods for chemical analysis of tungsten--The dimethylglyoxime photometric method for the determination of nickel content
GB/T 4324.8-2008 Methods for chemical analysis of tungsten.Determination of nickel content.The inductively coupled plasma atomic emission spectrometry、flame atomic absorption spectrometry and dimethylglyoxime gravimetry has been changed from GB/T 4324.9-1984 Methods for chemical analysis of tungsten--The dimethylglyoxime gravimetric method for the determination of nickel content.