Journal ArticleDOI
Separation and preconcentration of actinides by extraction chromatography using a supported liquid anion exchanger: Application to the characterization of high-level nuclear waste solutions
E. Philip Horwitz,Mark L. Dietz,Renato Chiarizia,Herbert Diamond,Sherrod L. Maxwell,Matthew R. Nelson +5 more
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TLDR
In this paper, a quaternary amine-based liquid anion exchanger was used for the extraction of actinides from nitric and hydrochloric acids, which exhibited preferential retention of tetravalent actinide over a wide range of acidities.About:
This article is published in Analytica Chimica Acta.The article was published on 1995-06-25. It has received 437 citations till now. The article focuses on the topics: Extraction (chemistry) & Ion exchange.read more
Citations
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Novel Extraction of Chromatographic Resins Based on Tetraalkyldiglycolamides: Characterization and Potential Applications
TL;DR: In this article, two new extraction chromatographic resins containing the diglycolamide class of molecules have been prepared and characterized, and potential applications identified, and the new resins consist of 40 weight percent N,N,N′N′ tetraoctyldiglycamide (TODGA) and N, n,N',N′ n′ tetrakis−2−ethylhexylhexylcylcoxyldigcylcolamide (TEHDGA) sorbed onto 50-100µm particle size Amberchrom® CG
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Critical comparison of radiometric and mass spectrometric methods for the determination of radionuclides in environmental, biological and nuclear waste samples.
Xiaolin Hou,Per Roos +1 more
TL;DR: These methods are critically compared for the determination of long-lived radionuclides important for radiation protection, decommissioning of nuclear facilities, repository of nuclear waste, tracer application in the environmental and biological researches.
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Identical extraction behavior and coordination of trivalent or hexavalent f-element cations using ionic liquid and molecular solvents
Violina A. Cocalia,Mark P. Jensen,John D. Holbrey,Scott K. Spear,Dominique C. Stepinski,Robin D. Rogers +5 more
TL;DR: This is the first definitive report of a system where both the biphasic extraction equilibria and metal coordination environment are the same in an ionic liquid and a molecular organic solvent.
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Determination of radiostrontium isotopes: a review of analytical methodology.
Nóra Vajda,Chang-Kyu Kim +1 more
TL;DR: An overview about the development of the radiochemical procedures for the separation of strontium and/or yttrium including the classical procedure based on a series of semi-selective precipitations, the ion exchange and solvent extraction procedures and the recently developed extraction chromatographic ones offering high selectivity are given.
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DIPEX: A new extraction chromatographic material for the separation and preconcentration of actinides from aqueous solution
TL;DR: In this article, a novel extraction chromatographic resin consisting of a liquid diphosphonic acid supported on an inert polymeric substrate for the sorption of actinides from strongly acidic chloride media is described.
References
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Book
Fundamentals of analytical chemistry
TL;DR: In this paper, the fundamental principles of analytical chemistry are discussed, together with a review of the applications of these concepts in analytical chemistry.http://www.documentaries.org.au.
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A novel strontium-selective extraction chromatographic resin*
TL;DR: In this paper, the effect of nitric acid concentration on the selectivity of a novel extraction chromatographic resin consisting of an octanol solution of 4,4′(5′)-bis(t-butyl-cyclohexano)-18-crown-6 sorbed on an inert polymeric support for strontium over a number of alkali, alkaline earth, and other metal cations was evaluated.
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Separation and preconcentration of uranium from acidic media by extraction chromatography
E. Philip Horwitz,Mark L. Dietz,Renato Chiarizia,Herbert Diamond,Alice M. Essling,Donald G. Graczyk +5 more
TL;DR: In this paper, the effect of macro levels of selected elements on the sorption of actinide ions by a novel extraction chromatographic resin comprised of a solution of octyl(phenyl)-N,N-diisobutylcarbamoylmethylphosphine oxide in tri-n-butyl phosphate supported on an inert polymeric substrate is described.
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Separation and preconcentration of strontium from biological, environmental, and nuclear waste samples by extraction chromatography using a crown ether.
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Evaluation of a strontium-specific extraction chromatographic method for isotopic analysis in geological materials
Christian Pin,Chantal Bassin +1 more
TL;DR: In this article, the suitability of a recently published extraction chromatographic method to isolate from geological samples for isotopic analyses by thermal ionization mass spectrometry was evaluated, which has several significant advantages over conventional ion exchange techniques.