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| International Standard Category: Aluminium and aluminium alloys |
GB/T 20975.1-2007 Chemical analysis methods of aluminium and aluminium alloys—Part 1:Determination of mercury content—Cold atomic absorption spectrometric method
铝及铝合金化学分析方法 第1部分：汞含量的测定 冷原子吸收光谱法;
| Category No.: | 77.120.10 | Valid Status: | superseded |
| Issued Organization: | AQSIQ;SAC | Issued Date: | 2007-7-30 |
| Implemented Date: | 2007-11-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 20975.1-2018 Methods for chemical analysis of aluminium and aluminium alloys—Part 1:Determination of mercury content |
Superseded Date: | 2019-2-1 |
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