Gamma-ray spectroscopic analysis of selected samples from Nile river sediments in upper Egypt.

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Abstract

Selected sedimentary samples from different locations on the east and west banks of the Nile River in Upper Egypt were analysed by natural radioactivity measurements to detect the presence of radioactive elements. From the analysis of radiations from 226Ra, 232Th and (40)K isotopes, the samples were found to contain Ra, Th and K in concentrations up to 52 +/- 7.3, 76.2 +/- 6.2 and 351.9 +/- 17.6 Bq kg(-1), respectively. The absorbed dose rate in air was found to be in the range of 9.6-84.8 nGyh(-1). The representative external hazard index values for the corresponding samples were also estimated.

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Journal

Journal ID (iso-abbrev): Radiat Prot Dosimetry

Title: Radiation protection dosimetry

Publisher: Oxford University Press (OUP)

ISSN: 0144-8420

ISSN (Print): 0144-8420

Publication date (Electronic): 2007

Volume: 123

Issue: 2

Affiliations

[1 ] Physics Department, Faculty of Science, AL-Azhar University, Assuit, Egypt. Dr_Mohammed_Amin@lycos.com

Article

Publisher Item ID: ncl103

DOI: 10.1093/rpd/ncl103

PubMed ID: 16914457

SO-VID: 92d07d9c-8137-4ba4-8c22-c549018d0f41

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