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| Chinese National Standard Category: Photographic-grade chemicals |
| English Title: | Photography—Processing waste—Determination of ammoniacal nitrogen (microdiffusion method) |
| Chinese Title: | 摄影 冲洗废液 氨态氮含量的测定 (微扩散法) |
| Standard No.: | GB/T 41964-2022 |
| Category No.: | G84 |
| Issued by: | SAMR; SAC |
| Issued on: | 2022-12-30 |
| Implemented on: | 2023-7-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 7000 words |
| Similar Standards: |
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