Appearance | White powder |
Purity(as c4h6o6) | 99.5 -100.5% |
Specific rotation(20 ℃) | +12.0 ° — +13.0 ° |
Heavy metals( as pb) | 10 ppm max |
Residue on ignition | 0.05% max |
Arsenic(as as) | 3 ppm max |
Loss on drying | 0.2% max |
Chloride | 100 ppm max |
Sulfate | 150 ppm max |
Oxalate | 350 ppm max |
Calcium | 200 ppm max |
Water solution clarity | Conforms to the STANDARD |
Color | Conforms to the STANDARD |
DL-Tartaric acid
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