Published April 2002 | Version v1
Journal article Metadata-only

Chromatographic separation of magnesium isotopes by monoazacrown bonded Merrifield peptide resins

Creators

  • 1. Chungbuk National Univ., Cheongju (Korea, Republic of). Dept. of Chemistry, College of Natural Sciences

Description

Magnesium isotope separation was investigated by chemical ion exchange with the 1-aza-12-crown-4 (I) and the 1-aza-18-crown-6 (II) bonded Merrifield peptide resin using an elution chromatographic technique. The capacities of each novel monoazacrown ion exchanger were 1.0 meq/g for (I) and 2.3 meq/g for (II) bonded Merrifield peptide resins, respectively. The single stage separation factor was determined according to the method of GLUECKAUF from the elution curves and isotopic assays. The separation factors of magnesium isotope pairs, 24Mg2+-25Mg2+, 24Mg2+-26Mg2+ and 25Mg2+-26Mg2+ were 1.015, 1.029, and 1.014 for (I) and 1.012, 1.024, and 1.009 for (II) bonded Merrifield peptide resins, respectively. (author)

Additional details

Publishing Information

Journal Title
Journal of Radioanalytical and Nuclear Chemistry
Journal Volume
252
Journal Issue
1
Journal Page Range
p. 129-132
ISSN
0236-5731
CODEN
JRNCDM

INIS

Country of Publication
Hungary
Country of Input or Organization
Hungary
INIS RN
33030320
Subject category
S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
Descriptors DEI
CROWN ETHERS; ION EXCHANGE CHROMATOGRAPHY; ION EXCHANGE MATERIALS; ISOTOPE SEPARATION; MAGNESIUM ISOTOPES; PEPTIDES; RESINS
Descriptors DEC
ALKALINE EARTH ISOTOPES; CHROMATOGRAPHY; ETHERS; ISOTOPES; MATERIALS; ORGANIC COMPOUNDS; ORGANIC OXYGEN COMPOUNDS; ORGANIC POLYMERS; PETROCHEMICALS; PETROLEUM PRODUCTS; POLYMERS; PROTEINS; SEPARATION PROCESSES

Optional Information

Notes
28 refs.