Concentration of radionuclides in building and ceramic materials of Bangladesh and evaluation of radiation hazard

Mantazul Chowdhury; M. Alam; A. Ahmed

doi:10.1007/bf02388016

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 231: Issue 1-2

Concentration of radionuclides in building and ceramic materials of Bangladesh and evaluation of radiation hazard

Authors:

Mantazul Chowdhury

Mantazul Chowdhury Bangladesh Atomic Energy Commission Radioactivity Testing Laboratory P.O. Box 1352 Chittagong Bangladesh

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M. Alam

M. Alam Bangladesh Atomic Energy Commission Radioactivity Testing Laboratory P.O. Box 1352 Chittagong Bangladesh

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, and

A. Ahmed

A. Ahmed University of Chittagong Department of Chemistry Bangladesh

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Pages:: 117–123a

Online Publication Date:: 12 Apr 2006

Publication Date:: 17 May 1998

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02388016

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Abstract

The concentration of radioactive²²⁶Ra,²³²Th and⁴⁰K in building and ceramic materials of Bangladesh was investigated by γ-spectrometry with two HPGe detectors. Radium equivalent activities, representative level index values, criterion formula, emanation coefficients and²²²Rn mass exhalation rates were estimated for the radiation hazard of the natural radioactivity in the materials. The activity concentrations of the natural radionuclides, radium equivalent activities, emanation coefficients and²²²Rn mass exhalation rates are compared with the corresponding values for building and ceramic materials of different countries. The radium equivalent activities in the samples varied between 30.9 (mosaic stone) and 328.0 Bq·kg⁻¹ (gypsum). The emanation coefficient of the materials ranged from 7.83 (cement) to 33.0% (soil) and the²²²Rn mass exhalation rate ranged from 2.31 (stone chips) to 118.0 μBq·kg⁻¹·s⁻¹ (gypsum).

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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)