Product Specification: |
Test Items |
SpecificationAJI92 |
Description |
White crystals or crystalline powder |
Identification |
Conforms |
Specific rotation [α]20D |
-74.0°~-77.0° |
Transmittance |
≥95.0% |
Chloride (Cl) |
≤0.02% |
Ammonium (NH4) |
≤0.02% |
Sulfate (SO4) |
≤0.02% |
Iron (Fe) |
≤10 ppm |
Heavy metals (Pb) |
≤10 ppm |
Arsenic (As2O3) |
≤1 ppm |
Other Amino Acids |
chromatographically not detectable |
Loss on drying |
≤0.20% |
Residue on ignition |
≤0.10% |
Assay |
98.5-101.0% |
pH |
5.0~6.5 |
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