Suppliers with verified business licenses
Audited Supplier 
| State of solution(transmittance) | Clear 98.0% min. |
| Chloride[cl] | 0.020% max. |
| Ammonium [NH4] | 0.02% max. |
| Sulfate[SO4] | 0.020% max |
| Iron[Fe] | 10ppm max. |
| Heavy metals [Pb] | 10ppm max |
| As[As2O3] | 1ppm max |
| Other amino acids | Chromatographically not detectable |
| Loss on drying | 0.20% max. |
| Residue on ignition[sulfated] | 0.10% max. |
| Assay | 99.0% min |
Suppliers with verified business licenses
Audited Supplier 
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