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 | ≤2.0mg/L |
水分 | Water | ≤300ppm |
酸度 | Acidity | ≤0.0002meq/g |
碱度 | Alkalinity | ≤0.0002meq/g |
透过率 | Transmission | |
-at 280nm | ≥70% | |
-at 290nm | ≥80% | |
-at 310nm | ≥89% | |
-at 320nm | ≥93% | |
-from 350nm | ≥99% |