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| Artikel 1 | USP | B.P/EP |
| Identificatie | Voldoet | |
| pH | 4.0-7.0 | |
| Water (%) | ≤ 5.0 | |
| Residu bij ontsteking/Zulfaatstof%) | ≤ 0.1 | |
| Aldehyden | ≤ 0,05% | 500 ppm |
| 2-pyrrolidon ((%) | ≤ 3.0 | |
| Vinylpyrrolidinone ((%) | ≤ 0.001 | |
| K-waarde | 81-97.2 | 85-95 |
| stikstofgehalte ((%) | 11.5-12.8 | |
| Peroxiden (ppm) | ≤ 400 | |
| Mierenzuur ((%) | ≤ 0.5 | |
| Hydrazine ((ppm) | ≤ 1 | |
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