项目Item 测试标准Test Criterion 结果Result 外观Appearance 白色结晶粉末 white crystalline powder 符合Conforms 含量Assay Min 99.0% 99.4% 比旋度Specific Rotation -8°~ -11°(C=3,in H2O) -9.5o 熔点Melting point Min 300 ℃ 符合Conforms 氯化物(Cl) Max 0.05% 符合Conforms 酸盐(SO4) Max 0.03% 符合Conforms 灼烧残渣Residue on Ignition Max 0.20% 0.09% 干燥失重Loss on drying Max 0.50% 0.19% 结论CONCLUSION: This batch meets the test criterion.