色譜級 | HPLC | |
純度 | Purity(GC) | ≥99.9% |
紅外光譜 | Identity(IR) | Conforms(合格) |
蒸發(fā)殘渣 | Residue on evaporating | ≤2.0mg/L |
水分 | Water | ≤300ppm |
酸度 | Acidity | ≤0.0002meq/g |
堿度 | Alkalinity | ≤0.0002meq/g |
透過率 | Transmission | |
-at 280nm | ≥70% | |
-at 290nm | ≥80% | |
-at 310nm | ≥89% | |
-at 320nm | ≥93% | |
-from 350nm | ≥99% |