| ≥1 piece |
|
Appearance |
White crystalline powder |
|
Specific rotation |
+16.5 to ~18.5 Degree |
|
Transmittance (0.5 in 10ml of H2O) |
Min 95.0% |
|
Chloride (Cl) |
Max 0.02% |
|
Ammonium (NH4) |
Max 0.02% |
|
Sulfate (SO4) |
Max 0.02% |
|
Iron (Fe) |
Max 10ppm |
|
Heavy metal(Pb) |
Max 10ppm |
|
Other Amino Acids |
Chromatographically Not detectable |
|
Loss on drying |
Max 2.0% |
|
Residue on ignition(sulfated) |
Max 0.1% |
|
Assay |
98.5%~101.5% |