检测项目Item

USP 26

饲料级

含量Assay

99.0～101.0%

98%

酸度pH

5.6～6.1

5.6～6.1

比旋度Specific rotation[a]D020

     +23.0°～+24.5°

     +23.0°～+24.5°

氯化物Chloride(Cl)

≤0.02%

 

铵盐Ammonium(NH4)

≤0.02%

 

硫酸盐Sulfate(SO4)

≤0.02%

 

铁盐Iron(Fe)

≤10ppm

 

重金属Heavy metals(Pb)

≤10ppm

 

砷盐Arsenic(As)

≤1ppm

 

其他氨基酸Other amino acids

conforms

 

干燥失重Loss on drying

≤0.30%

≤0.30%

炽灼残渣Residue on ignition

≤0.10%

≤0.10%