检测项目Item

AJI92

USP31

含量Assay

99.0～101.0%

98.5～101.5%

酸度pH

7.0～8.5

7.0～8.5

　　　　　　　　　　　 [a]D₀²⁵

+12.6°～+14.0°º

溶液的透光度Transmittance(T₄₃₀)

clear & colorless
≥98.0%

氯化物Chloride(Cl)

≤0.02%

≤0.05%

铵盐Ammonium(NH₄)

≤0.02%

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

≤1ppm

其他氨基酸Other amino acids

conforms

干燥失重Loss on drying

≤0.20%

≤0.20%

炽灼残渣Residue on ignition

≤0.10%

≤0.40%

有机挥发物 Organic volatile impurities

conforms