L-酒石酸

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