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Standard Insuued on: 1987-01 |
Category No.: | GB | Valid Status: | superseded |
Issued Organization: | chinania | Issued Date: | 1987-01-27 |
Implemented Date: | 1988-6-1 | Abolished Date: | |
Superseded Standard.: | GB/T 8152.1-2006 Methods for chemical analysis of lead concentrates―Determination of lead content―EDTA titration method after acid digestion GB/T 8152.12-2006 Methods for chemical analysis of lead concentrates―Determination of cadmium content―Flame atomic absorption spectrometric method GB/T 8152.11-2006 Methods for chemical analysis of lead concentrates - Determination of mercury content - Atomic fluorescence spectrometer method GB/T 8152.2-2006 Methods for chemical analysis of lead concentrates - Determination of lead content - Back titration of EDTA after precipitation of lead sulfate |
Superseded Date: | 2007-2-1 |
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