Specific Rotation[a]D20°

+24.5° to +26.8°

State of Solution

≥98.0%

Chloride (Cl)

≤0.020%

Ammonium (NH4)

≤0.02%

Sulfate (SO4)

≤0.020%

Iron (Fe)                     

≤10ppm

Heavy Metals (Pb)

≤10ppm

Arsenic (As2O3)

≤1ppm

Loss on drying                      

≤0.30%

Residue on Ignition 

≤0.10%

Assay

98.5 to 101.0%

PH

5.0 to 7.0