GB 4702.17-1988 Methods for chemical analysis of chromium metal-The combustion-neutralization titration method for the determination of sulfur content (English Version)
2016GB/T 4702.17-2016 Chromium metal─Determination of oxygen, nitrogen and hydrogen content─Inert gas fusion thermal infrared detection method and conductivity method
1988GB 4702.17-1988 Methods for chemical analysis of chromium metal-The combustion-neutralization titration method for the determination of sulfur content