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Measurement of the total activity concentrations of Libyan oil scale

Da Silva, FCA, Bradley, David, Regan, Patrick and Siti Rozaila, Z (2016) Measurement of the total activity concentrations of Libyan oil scale Radiation Physics and Chemistry, 137. pp. 198-202.

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Abstract

Twenty-three oil scale samples obtained from the Libyan oil and gas industry production facilities onshore have been measured using high-resolution gamma-ray spectrometry with a shielded HPGe detector, the work being carried out within the Environmental Radioactivity Laboratory at the University of Surrey. The main objectives of this work were to determine the extent to which the predominant radionuclides associated with the uranium and thorium natural decay chains were in secular equilibrium with their decay progeny, also to compare differences between the total activity concentrations (TAC) in secular equilibrium and disequilibrium and to evaluate the measured activities for the predominant gamma-ray emitting decay radionuclides within the 232Th and 238U chains. The oil scale NORM samples did not exhibit radioactive equilibrium between the decay progeny and longer-lived parent radionuclides of the 238U and 232Th series.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
NameEmailORCID
Da Silva, FCAUNSPECIFIEDUNSPECIFIED
Bradley, DavidD.A.Bradley@surrey.ac.ukUNSPECIFIED
Regan, PatrickP.Regan@surrey.ac.ukUNSPECIFIED
Siti Rozaila, ZUNSPECIFIEDUNSPECIFIED
Date : 13 January 2016
Identification Number : 10.1016/j.radphyschem.2016.01.011
Copyright Disclaimer : Copyright 2016 Elsevier Ltd. All rights reserved.
Depositing User : Melanie Hughes
Date Deposited : 13 Jun 2017 09:43
Last Modified : 13 Jun 2017 09:45
URI: http://epubs.surrey.ac.uk/id/eprint/841357

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