Size exclusion (radio) chromatography of aqueous humic acid solutions with cesium and strontium

P. Rajec; P. Gerhart; F. Macášek; I. Shaban; P. Bartoš

doi:10.1007/bf02347287

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 241: Issue 1

Size exclusion (radio) chromatography of aqueous humic acid solutions with cesium and strontium

Authors:

P. Rajec

P. Rajec Comenius University Department of Nuclear Chemistry Mlynská dolina CH-1 SK-842 15 Bratislava Slovakia

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P. Gerhart

P. Gerhart Comenius University Department of Nuclear Chemistry Mlynská dolina CH-1 SK-842 15 Bratislava Slovakia

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F. Macášek

F. Macášek Comenius University Department of Nuclear Chemistry Mlynská dolina CH-1 SK-842 15 Bratislava Slovakia

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I. Shaban

I. Shaban Comenius University Department of Nuclear Chemistry Mlynská dolina CH-1 SK-842 15 Bratislava Slovakia

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, and

P. Bartoš

P. Bartoš Comenius University Department of Nuclear Chemistry Mlynská dolina CH-1 SK-842 15 Bratislava Slovakia

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Pages:: 37–43

Online Publication Date:: 10 Apr 2006

Publication Date:: 17 Jul 1999

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02347287

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Abstract

The high-performance size-exclusion chromatography (HPSEC) and radiochromatography (HPSERC) was used for the identification of radiocesium and radiostrontium interaction with humic acid. It was found that the behavior of humic acid on size-exclusion chromatography is sensitive to the salt concentration and pH of the mobile phase. At lower ionic strength and in acidic region of pH, the Aldrich humic acid exhibited three main fraction within the ranges >760 kDa, 25–100 kDa and <5 kDa. Radiocesium was found in the low-molecular fractions (<1 kDa) of humic acids but radiostrontium interacts preferably with the fractions of humic acid of molecular weight within the range 2–5 kDa.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)