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| Chinese National Standard Category: Marking, packaging, transport and storage in general |
| English Title: | Chemicals—Test method of acute oral toxicity—Up-and-down-procedure（UDP） |
| Chinese Title: | 化学品 急性经口毒性试验方法 上下增减剂量法（UDP） |
| Standard No.: | GB/T 21826-2025 |
| Category No.: | A80 |
| Issued by: | SAMR, SAC |
| Issued on: | 2025-10-05 |
| Implemented on: | 2026-2-1 |
| Status: | to be valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | GB/T 21826-2008 Chemicals - Test method of acute oral toxicity - Up and down procedure (UDP) |
| Word Count: | 14500 words |
| Similar Standards: |
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