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International Standard Category: Cadmium, cobalt and their alloys

GB/T 8220.4-1998    Methods for chemical analysis of bismuth--Determination of silver content--Flame atomic absorption spectrophotometric method
铋化学分析方法 火焰原子吸收光谱法测定银量 ;
Category No.:77.120.70 Valid Status:superseded
Issued Organization:State Qualtiy Technical Supervision Bureau Issued Date:1998-08-01
Implemented Date:1999-3-1 Abolished Date:
Superseded Standard.:YS/T 536.4-2006 Methods for chemical analysis of bismuth -- Determination of silver content -- Flame atomic absorption spectrophotometric method
YS/T 536.4-2009 Methods for chemical analysis of bismuth - Determination of silver content - Flame atomic absorption spectrophotometric method and electrothermal atomic absorption spectrometric method
Superseded Date:2010-6-1
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