This standard specifies the methods for the determination of nickel, zinc and manganese content in gold, silver and palladium alloys. This standard is applicable to AuCuNiZnMn18-1.8-0.7-0.03, AuCuNiZn22-2.5-0.7, AuCuNiZn30-3-1, AuNi-Cr5-1, AuN r5-2, AgCuNiAl20-2-1, PdAgCuAuPtZn30-14-10-101 alloy Determination of nickel, zinc and manganese content in medium. Measuring range: nickel 1%~5%, zinc 0.5%~1.5%, manganese 0.01%~0.05%.
GB/T 15072.15-1994 history
2008GB/T 15072.15-2008 Test method of precious metal alloys.Determination of nickel,zinc and manganese contents for gold,silver and palladium alloys.Inductively coupled plasma atomic emission spectrometry
1994GB/T 15072.15-1994 Gold,silver and palladium alloys-Determination of nickel,zinc and manganese contents