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EPR dosimeter material properties of potassium tartrate hemihydrate

Mohd. Nor, Norehan and Hashim, Suhairul and Ramli, Ahmad Termizi and Saion, Elias and Kadni, Taiman (2016) EPR dosimeter material properties of potassium tartrate hemihydrate. Radiation Measurements, 87 . pp. 8-12. ISSN 1350-4487

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Abstract

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 60Co 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.

Item Type:Article
Uncontrolled Keywords:Amino acids, Dosimetry, Electron spin resonance spectroscopy, Gamma rays, Lithium compounds, Magnetic resonance, Potassium, Absorbed dose, Electron paramagnetic resonances (EPR), EPR dosimetry, Magnetic field modulation, Microwave power, Radiation-sensitive materials, Signal intensities, Time stability, Paramagnetic resonance
Subjects:Q Science > QC Physics
Divisions:Science
ID Code:72683
Deposited By: Siti Nor Hashidah Zakaria
Deposited On:23 Nov 2017 13:09
Last Modified:23 Nov 2017 13:09

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