00000nam 2200000zi 4500 9.867733 CaOODSP 20221107162406 m o d f cr ||||||||||| 190129s1958 onc ot f|0| 0 eng d CaOODSP eng rda CaOODSP n-cn--- M38-1/31-1958E-PDF Lewis, D. C., author. Studies on the separation of the rare earths from thorium in sulphate solutions, using cation exchange resins / by D. C. Lewis and J. C. Ingles. Ottawa, Ontario : Department of Mines and Technical Surveys, 1958. 1 online resource (iii, 40 pages) text txt rdacontent computer c rdamedia online resource cr rdacarrier Mines Branch Research Report ; R 31 "October 6, 1958." Title from cover. Includes bibliographic references. "An ion exchange method for the separation of the rare earth elements from thorium has been investigated. The method is based on the difference in the extent of complexing of the metal ions by sulphate ions in aqueous solution"--Abstract, p. i. gccst Chemicals Ingles, J. C., author. Canada. Department of Mines and Technical Surveys. Canada. Mines Branch. Research report (Canada. Mines Branch) R 31. (CaOODSP)9.855660 PDF 3.11 MB https://publications.gc.ca/collections/collection_2019/rncan-nrcan/m38-1/M38-1-31-1958-eng.pdf