GB/T 15072.1-2008 Test method of precious alloys.Determination of gold content for gold ,platinum and palladium alloys.Potentiometric titration using ferrous sulfate (English Version)
This part specifies the method for the determination of gold content in gold, platinum and palladium alloys. This part applies to AuAg, AuAgPt, AuAgCu, AuAgCuMnGd, AuCu, AuCuPtAgZn, AuNi, AuNiIn, AuNiCu, AuNiCr, AuNiGd, AuNiFeZr, AuFeCr, AuBe, AuGeNi, AuIr, AuSn, PtAu, PtRhAu, PdAu, PdAgCuAuPt Zn, SnPbAuSb and other containing Determination of the amount of gold in alloys of the above elements. Measuring range (mass fraction): 3% to 99.5%.
GB/T 15072.1-2008 Referenced Document
GB/T 9725 Chemiaal reagent.General rule for potentiometric titration
YS/T 371 Methods for chemical analysis of precious metals alloys. General rules and regulations
GB/T 15072.1-2008 history
2008GB/T 15072.1-2008 Test method of precious alloys.Determination of gold content for gold ,platinum and palladium alloys.Potentiometric titration using ferrous sulfate
1994GB/T 15072.1-1994 Gold,palladium alloys.Determination of gold content