Items Standard Appearance white crystals crystalline powder State of solution Not less than 98% Specific Rotation (C=10%in 2N HCl) -14.5o- -15.5o Assay 99.0%-101.0% Loss on drying ≤0.25% Residue on Ignition ≤0.10% Heavy Metals(Pb) ≤10ppm PH 5.2-6.2 Chloride ( Cl) ≤0.02% Arsenic (As2O3) ≤10ppm Sulfate (SO4) ≤0.02% Iron( Fe) ≤10ppm Ammonium(NH4) ≤0.02%
