This part of GB/T 6276 specifies the determination of heavy metal content in industrial ammonium bicarbonate by visual turbidimetry. This section applies to the determination of heavy metal content in industrial ammonium bicarbonate.
GB/T 6276.9-2010 Referenced Document
HG/T 2843 Chemical fertilezer products-standard volumetrie,standard,reagent and indicator solutions for chemical analysis
GB/T 6276.9-2010 history
2010GB/T 6276.9-2010 Determination of ammonium hydrogen carbonate for industrial use-Part 9:Heavy metal content-Visible turbidimetric method
1986GB/T 6276.9-1986 Ammonium hydrogen carbonate for industrial use--Determination of heavy metal content--Visible turbidimetric method