Chromatographic Zinc Isotope Separation by Chelating Exchange Resin
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چکیده
منابع مشابه
Chromatographic Zinc Isotope Separation by Chelating Exchange Resin
Zinc isotope separations were studied by displacement chromatography using the chelating properties of malate, citrate and lactate exchange resin and EDTA as ligands. After each chromatographic operation, the heavier zinc isotopes were found to preferentially fractionated into the carboxylate complex solution phase. The separation coefficients (epsilon) for zinc isotope separation had the large...
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Enriched stable isotopes of many elements have been widely used in many aspects and such isotopes have been primarily used as the tracer for agricultural and biochemical studies and the availability of the isotopically labeled compounds have been now extensively increasing. Chemical exchange separation of isotopes is based on the equilibrium fractionation of isotopes between two phases, ion exc...
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An ion-exchange chromatographic procedure has been developed for the separation and fluorometric detection of the urinary polyamines 1,3-diaminopropane, putrescine, spermidine, cadaverine, and spermine. The polyamines were separated on a 15 x0.45 cm cation-exchange column (70”) employing a combined pH-salt gradient. The separation conditions were designed to enable utilization of the sensitive ...
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Isotope dilution mass spectrometry with liquid chromatography for the determination of serum creatinine is studied. After adding labeled (15N2) creatinine to the serum, creatinine was isolated using high performance liquid chromatography. Measurements were performed by electron impact mass spectrometry with use of a direct insertion device. Analytical results of the NIST (formerly NBS) SRM seru...
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ژورنال
عنوان ژورنال: Chromatographia
سال: 2010
ISSN: 0009-5893,1612-1112
DOI: 10.1365/s10337-009-1448-6