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| Chinese National Standard Category: Industrial gas and chemical gas |
| English Title: | Gas analysis—Purity analysis and the treatment of purity data |
| Chinese Title: | 气体分析 纯度分析和纯度数据的处理 |
| Standard No.: | GB/T 38521-2025 |
| Category No.: | G86 |
| Issued by: | SAMR; SAC |
| Issued on: | 2025-08-29 |
| Implemented on: | 2026-3-1 |
| Status: | to be valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | GB/T 38521-2020 Gas analysis—Purity analysis and the treatment of purity data |
| Word Count: | 12500 words |
| Similar Standards: |
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