This part of GB/T 6276 specifies the determination of the sulfide content of ammonium bicarbonate for industrial use by visual turbidimetry. This section applies to the determination of sulfide content in industrial ammonium bicarbonate.
GB/T 6276.3-2010 Referenced Document
HG/T 2843 Chemical fertilezer products-standard volumetrie,standard,reagent and indicator solutions for chemical analysis
GB/T 6276.3-2010 history
2010GB/T 6276.3-2010 Determination of ammonium hydrogen carbonate for industrial use-Part 3:Sulphide content-Visible turbidimetric method