Cysteine

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Description
Appearance White crystalline powder
Assay 98.0~102.0%
Specific rotation +5.6°~+8.9°
Loss on drying =<1.0 %
Transmittance >=98.0%
Sulfate (as SO4) =<0.02 %
Ammonium as (as NH4) =<0.02%
Iron (as Fe) =<0.001%
Heavy Metals (as Pb) =<0.001%
Arsenic (as As) =<0.0001%
pH Value 0.5~2.0
Residue on ignition =<0.1%
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