Specific rotation[α]20D |
-31.5°~-32.5° |
Transmittance |
Not less than 98.0% |
Chloride |
Not more than 0.020% |
Ammonium |
Not more than 0.02% |
Sulfate |
Not more than 0.020% |
Iron |
Not more than 10ppm |
Heavy metals |
Not more than 10ppm |
Arsenic |
Not more than 1ppm |
Other amino acids |
conforms |
Loss on drying |
Not more than 0.2% |
Residue on ignition |
Not more than 0.10% |
Assay |
99.0%~100.5% |
PH |
3.0~3.5 |
Grupos de Producto : API