項目Item 檢測標準Test Criterion 結(jié)果Result 外觀Appearance 白色結(jié)晶white crystal 符合Conforms 含量Assay min 99.0% 99.30% 比旋度Specific rotation +3.5±0.5°(C = 1 in MeOH) +3.6° 干燥失重Loss on drying max 0.8% 0.64% 灼燒殘渣Residue on Ignition max 0.4% 0.1%