GB/T 15072.8-2008
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 15072.8-2008
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
Issued Date:2008-03-31
Implemented Date:2008-09-01
Issued by:
The Standardization Administration of the People's Republic of China