L-Cystine | 56-89-3
Product Specification:
| Item | Specifications (AJI97 ) |
| Appearance | White crystalline powder |
| Assay, % | 98.0~101.0 |
| Specific rotation | +8.3°~+9.5° |
| Loss on drying, % | ≤0.5 |
| Transmittance, % | ≥95.0 |
| Chloride (as Cl), % | ≤0.04 |
| Sulfate (as SO4), % | ≤0.03 |
| Ammonium as (as NH4), % | ≤0.02 |
| Iron (as Fe), % | ≤0.001 |
| Heavy Metals (as Pb), % | ≤0.001 |
| Arsenic (as As), % | ≤0.0001 |
| pH Value | 4.5~5.5 |
| Residue on ignition, % | ≤0.1 |
| Other amino acid | No detd |
