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- [22] THE SEPARATION OF RARE EARTHS BY ION EXCHANGE .2. NEODYMIUM AND PRASEODYMIUMJOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1947, 69 (11) : 2786 - 2792SPEDDING, FHVOIGT, AFGLADROW, EMSLEIGHT, NRPOWELL, JEWRIGHT, JMBUTLER, TAFIGARD, P
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- [27] SEPARATION OF RARE-EARTHS BY AN ION-EXCHANGE METHOD - DETERMINATION OF IMPURITIES IN HIGH-PURITY RARE-EARTH OXIDESJOURNAL OF RADIOANALYTICAL CHEMISTRY, 1974, 23 (1-2): : 73 - 82KUBOTA, M
- [28] CONCENTRATION OF MICROGRAM AMOUNTS OF RARE EARTHS IN THORIUM - PRECIPITATION AND ION EXCHANGE PROCEDURESANALYTICAL CHEMISTRY, 1956, 28 (09) : 1476 - 1479GORDON, LFIRSCHING, FHSHAVER, KJ
- [29] ION-EXCHANGE SEPARATION OF LIGHT RARE-EARTHS BY GRADIENT ELUTIONJOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES, 1988, 123 (02): : 613 - 617LI, MLLI, YXFENG, JY
- [30] SIMULTANEOUS DETERMINATION OF RARE-EARTHS BY ION-EXCHANGE DISPLACEMENT CHROMATOGRAPHYREVUE DE CHIMIE MINERALE, 1973, 10 (1-2): : 131 - 139BRUNISHOLZ, GCOLLET, PKLIPFEL, LROULET, R