This standard specifies the arbitration analysis method for gold content in alloy gold. This standard is applicable to the determination of gold content in alloy gold (mined gold, smelted crude gold products and recovered gold, etc.). Measuring range: 30% to 99.9%.
GB/T 15249.1-1994 history
2009GB/T 15249.1-2009 Methods for chemical analysis of crude gold.Part 1:Determination of gold content.Fire assay gravimetric method
1994GB/T 15249.1-1994 Crude Gold-Determination of gold content-Fire assay gravimetric method