This standard is applicable to the determination of sulfur content in tungsten powder, tungsten bar, tungsten trioxide, tungstic acid and ammonium paratungstate. Measuring range: 0.0005~0.012%.
GB/T 4324.23-1984 history
2012GB/T 4324.23-2012 Methods for chemical analysis of tungsten.Part 23:Determination of sulfur content.The combustion-conductometric titration and high frequency combustion-infrared absorption method
1984GB/T 4324.23-1984 Methods for chemical analysis of tungsten--The combustion-conductometric titration method for the determination of sulphur content