产品说明
性状
Appearance 白色或类白色结晶性粉末
Almost white or white crystalline powder
比旋光度
Specific Optical Rotation -100°~ -104°
鉴别(Identification)
a) IR Spectrum (KBr) 红外
b) Chloride test 氯鉴别 符合企业标准
Must comply with enterprise specification
符合企业标准
Must comply with enterprise specification
检查(Test)
溶液澄清度
Colour of solution 应澄清无色
Clear And Colorless
酸碱度
pH 4.0~6.0
干燥失重
Loss on drying 不大于1.0%
Not more than1.0%
炽灼残渣
Residue on ignition 不大于0.1%
Not more than0.1%
重金属
Heavy metals 不大于20ppm
Not more than 20ppm
灰分
Sulphated ash 不大于0.02%
Not more than0.02%
有关物质
Related Substances 不大于1.0%
Not more than1.0%
非对映异构体(%)
Diastereoisomer 不大于0.5%
Not more than0.5%
含量(Assay) 不小于98.0%
Not less than 98.0%