DL-Tartaric Acid Specification BP98 Content% 99.5-101.0 Ca ≤ % 0.02 Heavy metals(Pb) ≤ % 0.001 Chloride (Cl) ≤ % 0.01 Sulphate (SO4) ≤ % 0.015 Oxalate (C2O4) ≤ % 0.035 Loss on drying ≤ % 0.2 Packing: 25kg complex bags lined with double-layered kraft paper bags and film bag.