L-半胱氨酸盐酸盐，（生产批发）L-半胱氨酸盐酸盐

标准
Specifications

比旋光度
Specific　optical　rotation

+5.5°～+7.0°

含量,%≥
Assay,%min

98.5～100.5

其它氨基酸
Other　amino　acid

Chromatographically
not detectable

干燥失重≤
Loss　on　dryingmax

8.5～12.0

重金属,%≤
Heavy metals,%max

0.001

透光率,%≥
Transmitence,%min

98.0

炽灼残渣,%≤
Residue on ignition,%max

0.10

含氯量,%≤
Chloride ,%max

19.89～20.89

硫酸盐,%≤
Sulfate(SO4-2),%max

0.020

砷盐,%≤
Arsenic(As2O3),%max

0.001

铁≤
Iron　max

0.001

［NH4+］≤
Ammonium　max

0.02