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| Chinese National Standard Category: Radioactive metal ore |
| English Title: | Methods for chemical analysis of tungsten concentrates--The atomic absorption spectrophotometric method for the determination of calcium content |
| Chinese Title: | 钨精矿化学分析方法 原子吸收分光光度法测定钙量 |
| Standard No.: | GB/T 6150.7-1985 |
| Category No.: | D45 |
| Issued by: | SAC |
| Issued on: | 1985-06-21 |
| Implemented on: | 1986-6-1 |
| Status: | superseded |
| Superseded by: | GB/T 6150.5-2008 Methods for chemical analysis of tungsten concentrates - Determination of calcium content - EDTA volumetric method and flame atomic absorption spectrometric method |
| Superseded on: | 2008-9-1 |
| Abolished on: | |
| Superseding: | YB 602 11 -1978 |
| Word Count: | 2000 words |
| Similar Standards: | GB/T 17672-1999 GB/T 13070-1991 GB/T 6150.14-1985 GB/T 6150.19-1985 GB/T 6150.13-1985 GB/T 6150.15-1985 GB/T 6150.7-1985 GB/T 6150.8-1985 GB/T 6150.12-1985 GB/T 6150.6-1985 GB/T 6150.9-1985 GB/T 6150.10-1985 GB/T 6150.11-1985 GB/T 6150.1-1985 GB/T 6150.18-1985 GB/T 6150.16-1985 GB/T 6150.17-1985 GB/T 6150.5-1985 GB 2825-1981 |
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