Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5498987 | Radiation Physics and Chemistry | 2017 | 7 Pages |
Abstract
Butylatedhydroxytoluene (BHT) rods represent a potential dosimeter in radiation processing, with readout via electron paramagnetic resonance (EPR) spectroscopy. Among the possible sources of uncertainty are those associated with the performance of the dosimetric medium and the conditions under which measurements are made, including sampling and environmental conditions. Present study makes estimate of the uncertainties, investigating physical response in different resonance regions. BHT, a white crystalline solid with a melting point of between 70-73 °C, was investigated using 60Co gamma irradiation over the dose range 0.1-100 kGy. The intensity of the EPR signal increases linearly in the range 0.1-35 kGy, the uncertainty budget for high doses being 3.3% at the 2Ï confidence level. The rod form represents an excellent alternative dosimeter for high level dosimetry, of small uncertainty compared to powder form.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Radiation
Authors
M. Alkhorayef, A. Mansour, A. Sulieman, M. Alnaaimi, M. Alduaij, E. Babikir, D.A. Bradley,