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 | ≤200ppm |
酸度 | Acidity | ≤0.0005meq/g |
碱度 | Alkalinity | ≤0.0002meq/g |
透过率 | Transmission | |
-at 270nm | ≥10% | |
-at 275nm | ≥50% | |
-at 290nm | ≥80% | |
-at 300nm | ≥90% | |
-from 330nm | ≥98% |