Appearance White crystal or crystalline powder
Identification A:It responds to the tests for Tartrate.
B:When ignited,it gradually
decomposes emitting an odor
resembling that of burning sugar.
Assay(By C4H606) 99.7-100.5%
Specific optical rotation +12~+13˚
Heay metals(asPb) 0.001% max
Residue on ignition 0.1% max
Loss on drying 0.5% max
Sulfate 0.015% max
Oxalate 0.035% max
Arsenic(As) 0.0003% max
Calcium 0.02% max
Chlorides 0.01% max
Transparency and Colority Passed test
Solubility Passed test