This part of GB/T 25934 specifies a method for the determination of impurity elements in high purity gold.
This part is applicable to the determination of impurity elements in 99.999% (parts/hundred) high purity gold. The analytical elements and determination ranges are listed in Table 1.
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This part specifies a method for the determination of gold content in gold,platinum and palladium alloys.
This part is applicable to the determination of gold content for AuAg,AuAgPt,AuAgCu,AuAgCuMnGd,AuCu,AuCuPtAgZn,AuNi,AuNiIn,AuNiCu,AuNiCr,AuNiGd,AuNiFeZr,AuFeCr,AuBe,AuGeNi,AuIr,AuSn,PtAu,PtRhAu,PdAu,PdAgCuAuPtZn,SnPbAuSb and other alloys containing the above elements from 3% to 99.5%(mass fraction).
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This part specifies a method for the determination of aluminum and nickel contents in silver alloys.
This part applies to determination of aluminium and nickel in AgCuNiAl, AgCuNiCe, AgCuNi, and AgMgNi alloys.The determination of aluminium and nickel contents are from 0.1% to 2.5%.
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