D-Tartaric acid D-TA TARTARIC ACID UNNATURAL
Test Item |
First Grade |
Assay |
≥99.0 % |
Optical purity (ee value) |
≥99.0 % |
Description |
White crystals or white powder |
Specific Rotation(20¡æ) |
-12.0°C ~ -12.80°C |
Residue on Ignition |
≤0.1% |
Oxalate |
≤0.035% |
Sulphate(SO4) |
≤0.05% |
Heavy Metals(Pb) |
≤0.001% |
Loss on Drying |
≤0.5% |
Melting Point |
164-170°C |
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