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International Standard Category: Cadmium, cobalt and their alloys

GB/T 15072.11-1994    Gold alloys-Determination of gadolinium content
贵金属及其合金化学分析方法 金合金中钆量的测定 ;
Category No.:77.120.70 Valid Status:superseded
Issued Organization:STSB Issued Date:1994-05-11
Implemented Date:1994-1-2 Abolished Date:2008-09-01
Superseded Standard.:GB/T 15072.11-2008 Test method of precious metal alloys - Determination of gadolinium and beryllium contents for gold alloys - Inductively coupled plasma atomic emission spectrometry
Superseded Date:2008-9-1
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