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Gallic acid
Molecular formula: (OH)3C6H2COOH.H2O
Molecular weight: 188.14
Purity | 99.0% |
Solubility in hot water test | pass |
Residue on ignition (count with sulfate) % ≤ | 0.05 |
Loss on drying% ≤ | 7~10 |
Chloride(Cl)% ≤ | 0.001 |
Sulfate(SO4)% ≤ | 0.005 |
Gallotannic acid test | pass |