GB/T 5687.9-1988 Methods for chemical analysis of ferro-chromium--The combustion-neutralization titration method for the determination of sulfur content (English Version)
This standard applies to the determination of sulfur content in ferrochrome. Measuring range: ≤0.120%.
GB/T 5687.9-1988 history
2008GB/T 4699.6-2008 Ferrochromium and silicochromium. Determination of sulfur content. The infrared absorption method and combustion-titration method
1988GB/T 5687.9-1988 Methods for chemical analysis of ferro-chromium--The combustion-neutralization titration method for the determination of sulfur content
GB/T 5687.9-1988 Methods for chemical analysis of ferro-chromium--The combustion-neutralization titration method for the determination of sulfur content was changed to GB/T 4699.6-2008 Ferrochromium and silicochromium. Determination of sulfur content. The infrared absorption method and combustion-titration method.