Separation of magnesium isotopes by a 2'-aminomethyl-18-crown-6 bonded Merrifield peptide resin

B. Kang

doi:10.1023/a:1013294114731

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 249: Issue 3

Separation of magnesium isotopes by a 2'-aminomethyl-18-crown-6 bonded Merrifield peptide resin

Author:

B. Kang

B. Kang Chungbuk National University Department of Chemistry, Physical Chemistry Laboratory, College of Natural Sciences Cheongju 361-763 Republic of Korea

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Pages:: 577–580

Online Publication Date:: 29 Oct 2004

Publication Date:: 17 Sep 2001

Article Category:: Research Article

DOI:: https://doi.org/10.1023/a:1013294114731

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Abstract

Separation of magnesium isotopes was investigated by chemical ion exchangewith synthesized 2'-aminomethyl-18-crown-6 (AM18C6) bonded Merrifieldpeptide resin using an elution chromatographic technique. The capacity ofthe novel crown ion exchanger was found to be 2.3 meq/g dry resin. The heavierisotopes of magnesium were enriched in the solution phase, while the lighterisotopes were enriched in the resin phase. The single stage separation factorwas determined according to the method of GLUECKAUF from the elution curveand isotopic assays. The separation factors of ²⁴Mg–²⁵ Mg, ²⁵ Mg–²⁶ Mg, and ²⁴ Mg–²⁶ Mg isotope pair fractionations were 1.012, 1.005, and 1.022, respectively.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)