Authors:
T. Akyüz Cekmece Nuclear Research and Training Center P.K. 1, Havalimani 34831 Istanbul Turkey

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S. Akyüz Istanbul University, Vezneciler Physics Department 34459 Istanbul Turkey

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A. Varinlioglu Cekmece Nuclear Research and Training Center P.K. 1, Havalimani 34831 Istanbul Turkey

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A. Kose Cekmece Nuclear Research and Training Center P.K. 1, Havalimani 34831 Istanbul Turkey

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Abstract  

The specific activities of 238U, 226Ra, 232Th and 40K in the composite samples of phosphate ores of type 1 (grey-coloured ore, with high P2O5 (21–35%) and low calcite content) and of type II (grey coloured calcite ore, with low P2O5 content (5–17%)) of Karatas-Mazidag phosphate deposit, Turkey, have been determined by gamma spectrometry together with phosphatic animal feed ingredients. The concentrations of 238U, 226Ra, 232Th and 40K were found to be up to 557, 625, 26 and 297 Bq·kg–1, respectively. Radium equivalent activities of samples examined were calculated and compared with those given in the literature. Uranium concentration of the individual phosphate samples, from which composite samples of ores of type I and II have been prepared, were found to show an increasing trend with increasing P2O5 and F concentrations.

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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)