GB/T 4324.27-2012 Methods for chemical analysis of tungsten.Part 27:Determination of carbon content.High frequency combustion -infrared absorption method (English Version)
This part of GB/T 4324 stipulates the determination of carbon content in tungsten powder, tungsten rod and tungsten oxide by infrared absorption method. This part is applicable to the determination of carbon content in tungsten powder, tungsten rod and tungsten oxide. The measurement range is 0.000 5% ~0.50%,
GB/T 4324.27-2012 history
2012GB/T 4324.27-2012 Methods for chemical analysis of tungsten.Part 27:Determination of carbon content.High frequency combustion -infrared absorption method
1984GB/T 4324.27-1984 Methods for chemical analysis of tungsten--The combustion-coulometric titration method for the determination of carbon content