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International Standard Category: Lead, zinc, tin and their alloys |
Category No.: | 77.120.60 | Valid Status: | superseded |
Issued Organization: | Issued Date: | 1990-12-30 | |
Implemented Date: | 1992-1-1 | Abolished Date: | 2004-10-01 |
Superseded Standard.: | GB/T 12689.2-2004 The methods for chemical analysis of zinc and zinc alloys—The determination of arsenic content—The atomic fluorescence spectrometer method |
Superseded Date: | 2004-10-1 |
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