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Oxalic Acid Anhydrous Oxalic Acid Oxalic Acid Anhydrous
Anhydrous acid (Introduction) 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 Oxalic Acid 99.5%min 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% |
Index Item | Excellent Grade |
Appearance | white powder |
purity (H2C2O4) (%)≥ | 99% |
water(%)≤ | 1.0% |
sulphate group(SO4-2) (%)≤ | 0.07% |
Chorides(CI-) (%)≤ | 0.002% |
Heavity metal(Pb+2) (%)≤ | 0.001% |
Ash(%)≤ | 0.08% |
Iron content(Fe+3) (%)≤ |
0.0015%
|
Anhydrous Oxalic Acid 99.5%min for lithium battery-grade low iron ions
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