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      Natural radioactivity and its radiological implications from soils and rocks in Jaintiapur area, North-east Bangladesh

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          Abstract

          Natural radioactivity concentrations in recent alluvial soils from swampy areas and Tertiary rocks from Jaintiapur were measured using gamma-ray spectrometer equipped with HPGe detector. The average radioactivity concentration of 226Ra, 232Th and 40K were 47 ± 6, 64 ± 5 and 762 ± 40 Bqkg −1 in soils, whereas, 25 ± 2, 37 ± 4 and 884 ± 41 Bqkg −1 in rock samples, respectively. Average radioactivity concentrations of studied soil and rock samples exceeded the world average except 226Ra for rocks. Radio-elemental ratios suggest that an oxic depositional environment with low uranium and high thorium content. Regarding radiological hazard indices, radium equivalent activities (Ra eq), external hazard index ( H ex) and internal hazard index ( H in) was found to be below the world permissible limits. Whereas, absorbed dose rate (D), and annual effective dose equivalent (AEDE) averages exceeded the world admissible values. Statistical studies show that radioactivity for 226Ra and 232Th linked to a source enriched in radioactive minerals and 40K related to a different sources high in K enriched minerals.

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          Natural Radioactivity of Australian Building Materials, Industrial Wastes and By-products

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            An overview of the sedimentary geology of the Bengal Basin in relation to the regional tectonic framework and basin-fill history

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              Composition of the Continental Crust

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                Author and article information

                Contributors
                ashru.geo@gmail.com
                sudeb.geology@baec.gov.bd
                Journal
                J Radioanal Nucl Chem
                J Radioanal Nucl Chem
                Journal of Radioanalytical and Nuclear Chemistry
                Springer International Publishing (Cham )
                0236-5731
                1588-2780
                11 October 2022
                : 1-12
                Affiliations
                [1 ]GRID grid.466515.5, ISNI 0000 0001 0744 4550, Institute of Nuclear Minerals, , Bangladesh Atomic Energy Commission, ; Savar, Dhaka, 1349 Bangladesh
                [2 ]GRID grid.466515.5, ISNI 0000 0001 0744 4550, Health Physics and Radioactive Waste Management Unit, Institute of Nuclear Science and Technology, , Bangladesh Atomic Energy Commission, ; Savar, Dhaka, 1349 Bangladesh
                Author information
                http://orcid.org/0000-0001-7597-2697
                Article
                8562
                10.1007/s10967-022-08562-0
                9552155
                cc4fa73c-5771-4a77-afae-a6209ec58a8f
                © Akadémiai Kiadó, Budapest, Hungary 2022, Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.

                This article is made available via the PMC Open Access Subset for unrestricted research re-use and secondary analysis in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the World Health Organization (WHO) declaration of COVID-19 as a global pandemic.

                History
                : 5 April 2022
                : 14 September 2022
                Categories
                Article

                primordial radionuclides,soil and rock,north-east bangladesh,radiological hazard,gamma-spectrometry

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