Magnesium isotope effects by ion exchange using 2-aminomethyl-18-crown-6 bonded merrifield peptide resin

Dong Won Kim, Byung Moo Kang, Nam Soo Lee, Jong Seung Kim, Haiil Ryu, Byeong Kwang Jeon

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Separation of magnesium isotopes was investigated by chemical ion exchange with 2-aminomethyl-18-crown-6 bonded Merrifield peptide resin using an elution chromatography. The 2-aminomethyl-18-crown-6 bonded Merrifield peptide resin was synthesized. The capacity and distribution coefficient were determined. The heavier magnesium isotopes were enriched in the solution phase, while the lighter isotopes were enriched in the resin phase. The separation factors of 24Mg 2+- 25Mg 2+, 24Mg 2+- 26Mg 2+,and 25Mg 2+- 26Mg 2+, were 1.0084, 1.0161, and 1.0082, respectively. The hydration and isotope mass effects are significant than that of the complexation in this system.

Original languageEnglish
Pages (from-to)505-510
Number of pages6
JournalMain Group Metal Chemistry
Volume25
Issue number8
Publication statusPublished - 2002 Oct 23
Externally publishedYes

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magnesium isotopes
Isotopes
isotope effect
resins
Magnesium
Peptides
peptides
Ion exchange
Resins
isotopes
ions
elution
chromatography
hydration
Chromatography
Complexation
Hydration
coefficients
18-crown-6

ASJC Scopus subject areas

  • Inorganic Chemistry
  • Organic Chemistry

Cite this

Magnesium isotope effects by ion exchange using 2-aminomethyl-18-crown-6 bonded merrifield peptide resin. / Kim, Dong Won; Kang, Byung Moo; Lee, Nam Soo; Kim, Jong Seung; Ryu, Haiil; Jeon, Byeong Kwang.

In: Main Group Metal Chemistry, Vol. 25, No. 8, 23.10.2002, p. 505-510.

Research output: Contribution to journalArticle

Kim, Dong Won ; Kang, Byung Moo ; Lee, Nam Soo ; Kim, Jong Seung ; Ryu, Haiil ; Jeon, Byeong Kwang. / Magnesium isotope effects by ion exchange using 2-aminomethyl-18-crown-6 bonded merrifield peptide resin. In: Main Group Metal Chemistry. 2002 ; Vol. 25, No. 8. pp. 505-510.
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