This standard specifies the determination method of platinum content in gold, platinum and palladium alloys. This standard applies to the determination of platinum content in PtIr10, PtIr17.5, PtIr25, PtW8, PtW8.5, PdAgCuAuPtZn3014-1010-1, AuAg-Pt25-6 alloys. Measuring range: 5% to 95%.
GB/T 15072.3-1994 history
2008GB/T 15072.3-2008 Test method of precious metal alloys.Determination of platinum content for gold,platinum and palladium alloys.Electricity titration using potassium permanganate
1994GB/T 15072.3-1994 Gold,platinum and palladium alloys-Determination of platinum content