| 色谱级 | HPLC | |
| 纯度 | Purity(GC) | ≥99.9% |
| 红外光谱 | Identity(IR) | Conforms(合格) |
| 蒸发残渣 | Residue on evaporating | ≤5.0mg/L |
| 水分 | Water | ≤100ppm |
| 酸度 | Acidity | ≤0.0002meq/g |
| 碱度 | Alkalinity | ≤0.0002meq/g |
| 透过率 | Free Chlorine | ≤10ppm |
| Transmission | ||
| -at 240nm | ≥70% | |
| -at 245nm | ≥90% | |
| -from 260nm | ≥99% | |