检测项目Item

AJI92

USP24

含量Assay

98.5～101.0%

98.5～101.5%

酸度pH

5.5～6.5

5.5～7.0

比旋度Specific rotation[a]D020

+27.6°～+28.7°

　　　　　　　　　　　 [a]D025

 

+26.6°～+28.8°

溶液的透光度Transmittance(T430)

≥98.0%

氯化物Chloride(Cl)

≤0.02%

≤0.05%

铵盐Ammonium(NH4)

≤0.020%

 

硫酸盐Sulfate(SO4)

≤0.02%

≤0.03%

铁盐Iron(Fe)

≤10ppm

≤30ppm

重金属Heavy metals(Pb)

≤10ppm

≤15ppm

砷盐Arsenic

≤1 ppm

≤1.5ppm

其他氨基酸Other amino acids

≤0.5%

 

茚三酮活性物质
Ninhydrin-positive substances

 

 

干燥失重Loss on drying

≤0.2%

≤0.3%

炽灼残渣Residue on ignition

≤0.1%

≤0.1%

有机挥发物Organic volatile impurities

 

Conforms