Journal
RADIATION MEASUREMENTS
Volume 87, Issue -, Pages 8-12Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.radmeas.2016.02.008
Keywords
Potassium tartrate hemihydrate; EPR dosimetry; Gamma radiation
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Funding
- Ministry of Higher Education Malaysia
- Universiti Teknologi Malaysia [Q.J130000.7126.01H60]
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The ability of potassium tartrate hemihydrate as a radiation sensitive material for electron paramagnetic resonance (EPR) dosimetry was investigated. The samples were subjected to different doses, in the range of 1-9 Gy of Co-60 gamma rays at room temperature. The EPR spectra were investigated through variation of signal intensity with respect to absorbed dose, magnetic field modulation amplitude, microwave power and time stability. The results indicate that the sensitivity of potassium tartrate hemihydrate is about 30% higher than that of alanine. However, the EPR signal is timely less stable within the first two weeks after irradiation. (C)2016 Elsevier Ltd. All rights reserved.
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