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Anhydrous Oxalic Acid
Anhydrous acid is a king of tasteless hite powder sublimating in 110 ~ 120 ℃. In the dry heat air it can be weathered. 1g product can be dissolved in 7 ml cold water, 2 ml boiling water, 2.5 ml cold ethanol, 1.8 ml boiling alcohol, 100 ml ether, 5.5 ml glycerol but benzene, chloroform and petroleum ether. 0.1mol / L liquor had 1.3pH. The relative density is 1.653 and melting point is 189.2 ℃ -189.5℃
Anhydrous acid 99.5% for lithium battery-grade low iron ions
| Index Item | Excellent Grade |
| Appearance | white powder |
| purity (H2C2O4) (%)≥ | 99.5% |
| water(%)≤ | 1.0% |
| sulphate group(SO4-2) (%)≤ | 0.07% |
| Chorides(CI-) (%)≤ | 0.0005% |
| Heavity metal(Pb+2) (%)≤ | 0.0005% |
| Ash(%)≤ | 0.01% |
| Iron content(Fe+3) (%)≤ | 0.0005% |