| Artikel | USP | BP/EP | CP |
| Identifikation | Konform | ||
| pH-Wert | 3,0-5,0 | ||
| Wasser (%) | ≤5.0 | ||
| Glührückstände/Sulfatasche(%) | ≤0,1 | ||
| Aldehyde | ≤0,05 % | 500 ppm | ≤0,05 % |
| 2-Pyrrolidon (%) | ≤0,001 | ||
| K-Wert | 27-32 | 28-32 | 27-32 |
| Stickstoffgehalt (%) | 11,5-12,8 | ||
| Peroxide (ppm) | ≤400 | ||
| Ameisensäure (%) | ≤0,5 | ||
| Hydrazin (ppm) | ≤1 | ||