Determination of Traces of Uranium and Thorium in Environmental Matrices by Neutron Activation Analysis

V. Pulhani; S. Kayasth; A. More; U. Mishra

doi:10.1023/a:1010693514287

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 243: Issue 3

Determination of Traces of Uranium and Thorium in Environmental Matrices by Neutron Activation Analysis

Authors:

V. Pulhani

V. Pulhani Bhabha Atomic Research Centre Health Physics Division Mumbai 400 085 India

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S. Kayasth

S. Kayasth Bhabha Atomic Research Centre Analytical Chemistry Division Mumbai 400 085 India

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A. More

A. More Bhabha Atomic Research Centre Health Physics Division Mumbai 400 085 India

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U. Mishra

U. Mishra Bhabha Atomic Research Centre Health Physics Division Mumbai 400 085 India

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Pages:: 625–629

Online Publication Date:: 02 Nov 2004

Publication Date:: 17 Mar 2000

Article Category:: Research Article

DOI:: https://doi.org/10.1023/a:1010693514287

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Abstract

Radioactive elements like ²³²Th and ²³⁸U along with their daughter products, form part of all environmental matrices and are getting transferred to living beings by different pathways, leading to a continuous radiation exposure and need to be monitored. This paper presents an analytical methodology, highlighting the need to separate interfering beta- and gamma-emitters from the analytes, when neutron activation analysis is employed for the determination of traces of uranium and thorium in soil and plant materials. The method has been applied to the soil and plant materials from selected regions of India, along with standard reference materials to verify the validity of the proposed separation scheme. The overall reproducibility of the procedure was 2–10%. The concentration values of uranium and thorium so obtained, have been used to calculate transfer factors from soil to various parts of wheat plant.

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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)