CAS NO.: 59-51-8
Test Items | Limit |
Identification | Conforms |
Specific rotation | +23.0°~-+24.5° |
State of solution | Clear and colorless |
Chloride(CI) | ≤ 0.020% |
Ammonium(NH4) | ≤ 0.02% |
Sulfate(SO4) | ≤ 0.020% |
Heavy metals(Pb) | ≤ 10PPm |
Iron(Fe) | ≤ 10PPm |
Arsenic(As2O3) | ≤ 1PPm |
Residue on ignition (sulfated) | ≤ 0.1% |
Loss on drying | ≤ 0.20% |
Assay | 99.0~100.5% |
PH | 5.6~6.1 |