- Standard No.
- GB/T 4324.9-1984
- Language
- Chinese
- Release Date
- 1984
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Replace By
-
GB/T 4324.8-2008
-
GB/T 4324.19-2012
- Lastest
-
GB/T 4324.19-2012
- Scope
- This standard is applicable to the determination of nickel content in tungsten powder and tungsten rod. Measuring range: 0.20 to 1.50%.
GB/T 4324.9-1984 history
- 2012 GB/T 4324.19-2012 Methods for chemical analysis of tungsten.Part 19:Determination of titanium content.The diantipyrylmethane photometric spectrophtometry
- 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 4324.9-1984 Methods for chemical analysis of tungsten--The dimethylglyoxime gravimetric method for the determination of nickel content
GB/T 4324.9-1984 Methods for chemical analysis of tungsten--The dimethylglyoxime gravimetric method for the determination of nickel content was changed to 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.