Thorium oxalate
| Identifiers | |
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| ECHA InfoCard | 100.016.400 |
| EC Number | 218-038-3 |
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PubChem CID
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| Properties | |
| C4O8Th | |
| Molar mass | 408.07 g/mol 444.114 g/mol (dihydrate) |
| Density | 4.637 g/cm3 (anhydrous) |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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| Infobox references | |
Thorium oxalate is a white insoluble compound of thorium that is prepared by mixing a thorium nitrate solution in acid medium with an oxalic acid solution.
By mixing 0.5 M thorium nitrate solution with 0.5 M oxalic acid solution at room temperature thorium oxalate dihydrate ( Th(C2O4)2.2H2O ) is obtained. Thorium oxalate hexahydrate is obtained when precipitated from 2 M nitric acid solution. On heating to 500° it is converted to thorium oxide. The solubility product (Ksp) of thorium oxalate is 5.01 X 10−25 Density of anhydrous thorium oxalate is 4.637 g/cm3.
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