Standard No.:	GB/T 15072.8-1994
English Name:	Gold,Palladium and silver alloys-Determination of copper content
Chinese Name:	贵金属及其合金化学分析方法 金、钯、银合金中铜量的测定
Chinese Classification:	H15    Precious metals and its alloy analysis method
Professional Classification:	GB    National Standard
ICS Classification:	77.120.70 77.120.70    Cadmium, cobalt and their alloys 77.120.70
Issued by:	STSB
Issued on:	1994-05-11
Implemented on:	1994-1-2
Status:	superseded
Superseded by:	GB/T 15072.8-2008 Test method of precious metal alloys - Determination of copper content for gold palladium and silver alloys - Complexometric return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
Superseded on:	2008-9-1
Superseding:	YB 946 Au-198
Language:	English
File Format:	PDF
Word Count:	1500 words
Price(USD):	184.00
Delivery:	via email in 1~3 business day

本标准规定了金、钯、银合金中铜含量的测定方法。本标准适用于AuAgCu20―20、AuAgCu35―5、AuAgCul3―20、AuCuNiZn22―2・5―1、AuCuNiZn30―3―0.7、AuCuNiZnMnl8-1．8-0．7-0.03、PdAgCu65-20、PdAgCu54-21、PdAgCu68-27、PdAgCu52-28、PdAgCu58-32、PdAgCuAuPtZn30-14-10-10-1、AgCul0、AgCul2.5、AgCuVl0-0.2、AgCuNiAl20-2-1合金中铜含量的测定。测定范围：4％～33％。