Influence of major cations of sea water on the desorption of137Cs from marine sediments

D. Desai; Sathi Kumar; K. Pillai

doi:10.1007/bf02166506

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 187: Issue 3

Influence of major cations of sea water on the desorption of¹³⁷Cs from marine sediments

Authors:

D. Desai

D. Desai Bhabha Atomic Research Centre Environmental Studies Section Health Physics Division 400 085 Bombay India

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Sathi Kumar

Sathi Kumar Bhabha Atomic Research Centre Environmental Studies Section Health Physics Division 400 085 Bombay India

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K. Pillai

K. Pillai Bhabha Atomic Research Centre Environmental Studies Section Health Physics Division 400 085 Bombay India

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Pages:: 197–205

Online Publication Date:: 27 Sep 2005

Publication Date:: 17 Jun 1994

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02166506

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Abstract

Desorption studies of¹³⁷Cs from marine sediments by artificial sea water and artificial sea water devoid of individual major cations such as Na, K, Ca, Mg and Sr indicated that only Na and K were effective in the desorption of¹³⁷Cs. Studies with various ionic strengths ranginf from 0.01 to 1.6M KCl and NaCl solutions showed that KCl desorbs constantly about 45%¹³⁷Cs at and above an ionic strength of 0.1. In case of NaCl, the percent desorption increases linearly with ionic strength. The difference in desorption by K and Na is attributed to the contraction of the clay mineral layers by K ion and expansion of the layers by Na ion.

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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)