Number | Name | Date | Kind |
---|---|---|---|
2860031 | Grinstead | Nov 1958 | |
2866680 | Long | Dec 1958 | |
3214239 | Hazen et al. | Oct 1965 | |
3711591 | Hurst et al. | Jan 1973 | |
4243637 | Bradford et al. | Jan 1981 | |
4278640 | Allen et al. | Jul 1981 | |
4323540 | Sundar | Apr 1982 |
Entry |
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Hurst et al, "Recovery of Uranium from Wet Process Phosphoric Acid", Ind. g. Chem. Process, 11, pp. 122-128 (1972). |
MacCready et al, "Uranium Extraction from Florida Phosphates", Nucl. Tech., 53, pp. 344-353 (1981). |