Appearance | White powder to granulum |
Content | ≥95.0% |
pH (1% Titrimetric solution) | 3.0~5.0 |
sodium chloride | ≤2.0% |
Lauric acid | ≤1.0% |
Nα-Lauroyl-L-arginine ≤3% | ≤1% |
Ethyl laurate ≤3% | ≤1% |
L-Arginine·HC | ≤1% |
Ethyl arginate·2HCl ≤1% | ≤1% |
Loss on drying | ≤2.0% |
Heavy metals | ≤10mg/Kg |
Pb. | ≤2mg/Kg |
Arsen | ≤2mg/Kg |