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| Chinese National Standard Category: Chemical raw material ore |
| English Title: | Phosphate rock and concentrate-Determination of sulfur trioxide content-Gravimetric method |
| Chinese Title: | 磷矿石和磷精矿中三氧化硫含量的测定 重量法 |
| Standard No.: | GB/T 1880-1995 |
| Category No.: | D51 |
| Issued by: | China Petroleum and Chemical Industry Federation |
| Issued on: | 1995-01-02 |
| Implemented on: | 1996-8-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | GB/T 1880-1980 GB 1880-1980 |
| Word Count: | 2000 words |
| Similar Standards: |
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