Color | White |
Form | Crystalline powder |
Identification | Infrared absorption spectrum:Infrared absorption spectrum |
Assay (dry basis) | 98.5%-101.5% |
Specific Rotation | Between +26.3° and +27.7° |
Other Amino Acids | Chromatographically not detectable |
Appearance of Solution | Clear and colorless |
Transmissivity | ≥ 98.0% |
Loss on Drying | ≤ 0.5% |
Sulfate (as SO4) | ≤ 0.03% |
Ignition Residue | ≤ 0.3% |
Heavy Metals | ≤ 0.0015% (as Pb) |
Arsenic (As) | ≤ 1 ppm |
Iron (Fe) | ≤ 0.003% |
Chloride | ≤ 0.05% |
Orgaic Volatile Impurities | Meet the requirements |
Ammonium (NH4) | ≤ 0.02% |
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