Cargando…
Isotope effects of neodymium in different ligands exchange systems studied by ion exchange displacement chromatography
The isotope effects of neodymium in Nd-glycolate ligand exchange system were studied by using ion exchange chromatography. The separation coefficients of neodymium isotopes, ε’s, were calculated from the observed isotopic ratios at the front and rear boundaries of the neodymium adsorption band. The...
Autores principales: | , , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Elsevier
2013
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4260886/ https://www.ncbi.nlm.nih.gov/pubmed/25685410 http://dx.doi.org/10.1016/j.jare.2012.03.003 |
_version_ | 1782348242977030144 |
---|---|
author | Ismail, Ibrahim Fawzy, Ahmed S. Ahmad, Mohammad I. Aly, Hisham F. Nomura, Masao Fujii, Yasuhiko |
author_facet | Ismail, Ibrahim Fawzy, Ahmed S. Ahmad, Mohammad I. Aly, Hisham F. Nomura, Masao Fujii, Yasuhiko |
author_sort | Ismail, Ibrahim |
collection | PubMed |
description | The isotope effects of neodymium in Nd-glycolate ligand exchange system were studied by using ion exchange chromatography. The separation coefficients of neodymium isotopes, ε’s, were calculated from the observed isotopic ratios at the front and rear boundaries of the neodymium adsorption band. The values of separation coefficients of neodymium isotopes, ε’s, for the Nd-glycolate ligand exchange system were compared with those of Nd-malate and Nd-citrate, which indicated that the isotope effects of neodymium as studied by the three ligands takes the following direction Malate > Citrate > Glycolate. This order agrees with the number of available sites for complexation of each ligand. The values of the plate height, HETP of Nd in Nd-ligand exchange systems were also calculated. |
format | Online Article Text |
id | pubmed-4260886 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2013 |
publisher | Elsevier |
record_format | MEDLINE/PubMed |
spelling | pubmed-42608862015-02-14 Isotope effects of neodymium in different ligands exchange systems studied by ion exchange displacement chromatography Ismail, Ibrahim Fawzy, Ahmed S. Ahmad, Mohammad I. Aly, Hisham F. Nomura, Masao Fujii, Yasuhiko J Adv Res Original Article The isotope effects of neodymium in Nd-glycolate ligand exchange system were studied by using ion exchange chromatography. The separation coefficients of neodymium isotopes, ε’s, were calculated from the observed isotopic ratios at the front and rear boundaries of the neodymium adsorption band. The values of separation coefficients of neodymium isotopes, ε’s, for the Nd-glycolate ligand exchange system were compared with those of Nd-malate and Nd-citrate, which indicated that the isotope effects of neodymium as studied by the three ligands takes the following direction Malate > Citrate > Glycolate. This order agrees with the number of available sites for complexation of each ligand. The values of the plate height, HETP of Nd in Nd-ligand exchange systems were also calculated. Elsevier 2013-03 2012-04-24 /pmc/articles/PMC4260886/ /pubmed/25685410 http://dx.doi.org/10.1016/j.jare.2012.03.003 Text en © 2012 Cairo University. Production and hosting by Elsevier B.V. All rights reserved. http://creativecommons.org/licenses/by-nc-nd/3.0/ This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/3.0/). |
spellingShingle | Original Article Ismail, Ibrahim Fawzy, Ahmed S. Ahmad, Mohammad I. Aly, Hisham F. Nomura, Masao Fujii, Yasuhiko Isotope effects of neodymium in different ligands exchange systems studied by ion exchange displacement chromatography |
title | Isotope effects of neodymium in different ligands exchange systems studied by ion exchange displacement chromatography |
title_full | Isotope effects of neodymium in different ligands exchange systems studied by ion exchange displacement chromatography |
title_fullStr | Isotope effects of neodymium in different ligands exchange systems studied by ion exchange displacement chromatography |
title_full_unstemmed | Isotope effects of neodymium in different ligands exchange systems studied by ion exchange displacement chromatography |
title_short | Isotope effects of neodymium in different ligands exchange systems studied by ion exchange displacement chromatography |
title_sort | isotope effects of neodymium in different ligands exchange systems studied by ion exchange displacement chromatography |
topic | Original Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4260886/ https://www.ncbi.nlm.nih.gov/pubmed/25685410 http://dx.doi.org/10.1016/j.jare.2012.03.003 |
work_keys_str_mv | AT ismailibrahim isotopeeffectsofneodymiumindifferentligandsexchangesystemsstudiedbyionexchangedisplacementchromatography AT fawzyahmeds isotopeeffectsofneodymiumindifferentligandsexchangesystemsstudiedbyionexchangedisplacementchromatography AT ahmadmohammadi isotopeeffectsofneodymiumindifferentligandsexchangesystemsstudiedbyionexchangedisplacementchromatography AT alyhishamf isotopeeffectsofneodymiumindifferentligandsexchangesystemsstudiedbyionexchangedisplacementchromatography AT nomuramasao isotopeeffectsofneodymiumindifferentligandsexchangesystemsstudiedbyionexchangedisplacementchromatography AT fujiiyasuhiko isotopeeffectsofneodymiumindifferentligandsexchangesystemsstudiedbyionexchangedisplacementchromatography |