色譜級(jí) | HPLC | |
純度 | Purity(GC) | ≥99.5% |
紅外光譜 | Identity(IR) | Conforms(合格) |
蒸發(fā)殘?jiān)?/span> | Residue on evaporating | ≤2mg/L |
水分 | Water | ≤100ppm |
酸度 | Acidity | ≤0.0002meq/g |
堿度 | Alkalinity | ≤0.0002meq/g |
透過(guò)率 | Transmission | |
-at 230nm | ≥50% | |
-at 240nm | ≥80% | |
-from 260nm | ≥98% |