Appearance | White crystals or crystalline powder |
Assay(%) | 99.0 – 101.0 |
Loss on drying(%) | 0.20 Max |
Residue on ignition(%) | 0.10 Max |
pH | 7.0~8.5 |
Specific rotation(°) | +12.0 – +12.8 |
State of solution(%) | 98.0 Min |
Chloride(%) | 0.020 Max |
Ammonium(%) | 0.02 Max |
Sulfate(%) | 0.020 Max |
Iron(ppm) | 10 Max |
Heavy metals(ppm) | 10 Max |
Arsenic(ppm) | 1 Max |
histidine
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