检测项目Item

AJI92

USP28

含量Assay

98.5～101.0%

98.5～101.0%

酸度PH

5.2～6.2

5.2～6.2

比旋度Specific rotation[a]D020

溶液的透光度Transmittance(T430)

clear & colorless
≥98.0%

 

氯化物Chloride(Cl)

≤0.02%

≤0.02%

铵盐Ammonium(NH4)

≤0.02%

 

硫酸盐Sulfate(SO4)

≤0.02%

≤0.02%

铁盐Iron(Fe)

≤10ppm

≤20ppm

重金属Heavy metals(Pb)

≤10ppm

≤10ppm

铅Lead

≤10ppm

 

砷盐Arsenic(As)

≤1ppm

 

其他氨基酸Other amino acids

conforms

Conforms

干燥失重Loss on drying

≤0.20%

≤0.20%

炽灼残渣Residue on ignition

≤0.10%

≤0.10%