Advances in Boron Isotope Separation by Ion Exchange Chromatography
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Nitrogen Isotope Separation by Ion Exchange Chromatography
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...
متن کاملSeparation of adrenaline, noradrenaline, and hydroxytyramine by ion exchange chromatography.
Methods for the separation of adrenaline, noradrenaline, hydroxytyramine, and dihydroxyphenylalanine (dopa) by employing starch columns (2, 3), paper chromatography (4-7), or countercurrent extraction (8) have limited usage either because of the length of time required for the fractionation or because of the small amounts of material that can be separated. A procedure is described below in whic...
متن کاملIsotope 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 values of separation coefficients of neodymium isotopes, ε's, for the Nd-glycolate ligand exchang...
متن کاملDependence of Chlorine Isotope Separation in Ion Exchange Chromatography on the Nature and Concentration of the Eluent
In a heterogeneous electrolyte system of a strongly basic anion exchanger and solutions of NaBF4 or NaClC>4 we established the influence of the nature and concentration of the eluent in chromatographic experiments on chlorine isotope separation. Results show that when the electrolyte concentration is increased the degree of isotope separation decreases. With NaBF4 the separation factor is great...
متن کاملPurification of bradykinin by ion-exchange chromatography.
Shirai, Y. & Ohkubo, T. (1954a). J. Biochem., Tokyo, 41, 337. Shirai, Y. & Ohkubo, T. (1954b). J. Biochem., Tokyo, 41, 341. Storey, I. D. E. (1950). Biochem. J. 47, 212. Storey, I. D. E. & Dutton, G. J. (1955). Biochem. J. 59,279. Storey, I. D. E. & Dutton, G. J. (1956). Proc. 3rd Int. Congr. Biochem., Brussel8, 1955, p. 162. Strominger, J. L., Kalckar, H. M., Axelrod, J. & Maxwell, E. S. (1954...
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ژورنال
عنوان ژورنال: Asian Journal of Chemistry
سال: 2014
ISSN: 0970-7077,0975-427X
DOI: 10.14233/ajchem.2014.15661