Specification :

Sepecification: 99.5%
Assay: coa

Item Specification Result
Appearance White crystalline powder White crystalline powder
Assay 98.5^ 102.0 % 99.38 %
Specific Rotation [ ± ] D20 ( C= 1, H2O) + 7.0° to 8.5° + 8.2°
Chloride ( Cl) d0.02 % 0.0001%
Sulphae Not more than 0.015% 0.0004%
Transmittance Not less than 90.0% Conforms
Melting Point 202~ 215oC 210~ 211 oC
Solubility Clear colorless Conforms
Heavy Metals ( Pb) d10ppm Conforms
Arsenic ( As2O3) d1ppm Conforms
Residue on Ignition d0.2 % 0.05%
Loss on Drying d0.5 % 0.16%
PH 4.0 to 7.0( 1% , H2O) 5.55

Conclusion Conform with JP2005 Standard
Storage 25