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| International Standard Category: Copper and copper alloys |
GB/T 3884.21-2018 Methods for chemical analysis of copper concentrates—Part 21:Determination of copper,sulfur,lead,zinc,iron,aluminium,calcium,magnesium,manganese content—Wavelength dispersive X-ray fluorescence spectrometric method
铜精矿化学分析方法 第21部分：铜、硫、铅、锌、铁、铝、钙、镁、锰量的测定 波长色散X射线荧光光谱法 ;
| Category No.: | 77.120.30 | Valid Status: | valid |
| Issued Organization: | SAMR; SAC | Issued Date: | 2018-09-17 |
| Implemented Date: | 2019-6-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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