| Color | Light brown |
| Form | Granules |
| Identification | Positive |
| Assay (dry basis) | L-lysine ≥ 51.0%; L-lysine HCl ≥ 65.0% |
| pH Value | 3.0-5.0 (0.3 g/50 mL water, 25°C) |
| Loss on Drying | ≤ 4.0% |
| Sulfate (as SO4) | Pass test |
| Ignition Residue | ≤ 4.0% |
| Heavy Metals | ≤ 20 mg/kg (as Pb) |
| Arsenic (As) | ≤ 3 mg/kg |
| Ammonium (NH4) | ≤ 1.0% |
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