Specification
Specific Rotation [a]D20o
-33.5° —-35.0°
State of solution
≥98.0%
Chloride (CL)
≤0.020%
Ammonium(NH4)
≤0.02%
Sulfate(SO4)
Iron (Fe)
≤10PPM
Other amino acids
Chromatographically not detectable
Arsenic (AS2O3)
≤1PPM
Loss on drying
≤0.20%
Residue on ignition
≤0.10%
Assay
99.0%-100.5%
PH
5.4-6.0
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