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- [3] THE MUTUAL SEPARATION OF THORIUM, PROTOACTINIUM, AND URANIUM BY TRIBUTYL PHOSPHATE EXTRACTION FROM HYDROCHLORIC ACID JOURNAL OF INORGANIC & NUCLEAR CHEMISTRY, 1957, 3 (06): : 370 - 378
- [5] SEPARATION OF PROTOACTINIUM FROM CARNOTITE JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-LETTERS, 1992, 165 (03): : 159 - 166
- [8] SEPARATION OF THORIUM FROM RADIOACTIVE LIQUID WASTE BY OXAL PROCESS INDIAN JOURNAL OF CHEMISTRY SECTION A-INORGANIC BIO-INORGANIC PHYSICAL THEORETICAL & ANALYTICAL CHEMISTRY, 1992, 31 (10): : 808 - 810
- [9] PROTOACTINIUM AND ISOTOPES OF THORIUM IN METALLIFEROUS SEDIMENTS FROM THE BAUER DEPRESSION SOVIET RADIOCHEMISTRY, 1988, 30 (03): : 378 - 382
- [10] SEPARATION OF TRACES OF CALCIUM FROM THORIUM ON ZEOKARB 226 AND DOWEX A-1 INDIAN JOURNAL OF CHEMISTRY SECTION A-INORGANIC BIO-INORGANIC PHYSICAL THEORETICAL & ANALYTICAL CHEMISTRY, 1981, 20 (04): : 428 - 430