項(xiàng)目Item 檢測(cè)標(biāo)準(zhǔn)Test Criterion 結(jié)果Result 外觀Appearance 白色至類白色粉末 white to off-white Powder 符合Conforms 含量Assay min 99.0% 99.7% 比旋度Specific rotation +19°~+22°(C=4,H2O) +21.8° 灼燒殘?jiān)黂esidue on ignition max 0.4% 0.2% 干燥失重Loss on drying max 0.50% 0.20% 注意事項(xiàng)Note 干燥密封保存Sealed dry preservation 結(jié)論CONCLUSION: This batch meets the test criterion.