Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume 652, Issue 1, Pages 915-919Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nima.2011.01.020
Keywords
HPGe detector; Activity concentrations; Gamma spectrometry; Building materials; NORM; (226)Ra (232)Th; (40)R
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Funding
- Ministry of Environment, Doha-Qatar
- Royal Thai Government
- Science and Technology Facilities Council [ST/F012012/1] Funding Source: researchfish
- STFC [ST/F012012/1] Funding Source: UKRI
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This study is aimed at the determination of the activity concentrations of naturally occurring and technically enhanced levels of radiation in building materials used across the State of Qatar. Samples from a range of common building materials, including Qatarian cement, Saudi cement, white cement, sand and washed sand, have been analyzed, in addition to other samples of cement's raw materials and additives collected from the main suppliers in Qatar. In order to establish the activity concentrations associated with the (235,8)U and (232)Th natural decay chains and (40)K, the samples have been studied using a high-resolution, low-background gamma-ray spectrometry set-up. Details of the sample preparation and the gamma-ray spectroscopic analysis techniques are presented, together with the preliminary results of the activity concentrations associated with the naturally occurring radionuclide chains for the building materials collected across the Qatarian peninsula. (C) 2011 Elsevier B.V. All rights reserved.
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