GB/T 4324.25-2012 Methods for chemical analysis of tungsten.Part 25:Determination of oxygen content.Pulse heating inert gas fusion -infrared absorption method (English Version)
This part of GB/T 4324 specifies the method for the determination of oxygen content in tungsten and its products. This part is applicable to the determination of oxygen content in tungsten and its products. The measurement range is 0.000 5%~1.00%,
GB/T 4324.25-2012 history
2012GB/T 4324.25-2012 Methods for chemical analysis of tungsten.Part 25:Determination of oxygen content.Pulse heating inert gas fusion -infrared absorption method
1984GB/T 4324.25-1984 Methods for chemical analysis of tungsten--The inert gas fusion-coulometric titration method for the determination of oxygen content