Removal of185W,99Mo and125Sb radioisotopes from aqueous solutions using polyamine incorporated polysaccharides

S. Gupta; B. Tak; N. Mathur; C. Narang

doi:10.1007/bf02134571

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 170: Issue 1

Removal of¹⁸⁵W,⁹⁹Mo and¹²⁵Sb radioisotopes from aqueous solutions using polyamine incorporated polysaccharides

Authors:

S. Gupta

S. Gupta Defence Laboratory 342001 Jodhpur (India)

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B. Tak

B. Tak Defence Laboratory 342001 Jodhpur (India)

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N. Mathur

N. Mathur University of Jodhpur Jodhpur (India)

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C. Narang

C. Narang University of Jodhpur Jodhpur (India)

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Pages:: 3–8

Online Publication Date:: 16 Sep 2005

Publication Date:: 17 Apr 1993

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02134571

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Abstract

Polyamino group-containing resins act both as chelating ion exchangers and weakly basic anion exchangers depending upon the species in contact in the solution. In the present work, ion exchangers based on polyamine incorporated polysaccharides (cellulose and galactomannan or guaran) have been used for removal of radioisotopes of¹⁸⁵W as WO ₄^2– ,⁹⁹Mo as MoO ₄^2– and¹²⁵Sb as Sb³⁺ from their separate aqueous solutions. These chelating anion exchangers have been synthesized by reaction of polysaccharides with epichlorohydrin followed by the respective polyamines as nucleophiles in a strongly alkaline medium. WO ₄^2– and MoO ₄^2– are adsorbed from their aqueous solutions through anion exchange process by chloride form of cellulose-triethylenetetraamine (cellulose-trien), cellulose-tetraethylenepentaamine (cellulose-tetren), guaran-triethylenetetraamine (guar-trien) and guar-tetraethylenepentaamine (guar-tetren) weakly basic anion exchangers. Guar-tetren chelating polymer has been found to be highly selective for¹²⁵Sb isotopes presumably due to the presence of chelating cis-hydroxy and tetren groups in the galactomannan matrix.

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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)