GB/T 15072.8-2008

Active

Test method of precious metal alloys - Determination of copper content for gold, palladium and silver alloys - Complexometric return titration using thiourea releasing EDTA

贵金属合金化学分析方法 金、钯、银合金中铜量的测定 硫脲析出EDTA络合返滴定法

Standard Type
GBT
ICS
77.120.99
CCS
H68
Status
Active
Issue Date
2008-03-31
Implementation
2008-09-01
Centralized Committee
中国有色金属工业协会
Issuing Authority
中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies a chemical analysis method for determining copper content in gold, palladium, and silver alloys using complexometric return titration with thiourea to release EDTA. It is applied in the metallurgy industry for quality control and material certification of precious metal alloys, particularly in jewelry manufacturing, electronic components, and catalyst production. The method is used in laboratory testing contexts to ensure accurate copper quantification for alloy composition verification and compliance with material specifications.

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