Christiansson M, Bernhardsson C, Mattsson S, Rääf C L
Department of Clinical Sciences Malmö, Lund University, Skåne University Hospital, SE-205 02 Malmö, Sweden.
Radiat Prot Dosimetry. 2011 Mar;144(1-4):584-7. doi: 10.1093/rpd/ncq430. Epub 2011 Jan 26.
The single-aliquot regenerative-dose (SAR) protocols used in retrospective dosimetry for optically stimulated luminescence measurements have been mainly developed for archaeological and geological dating of quartz and feldspar. The aim in this study is to find a read-out protocol that can generate the most reproducible signal for household salt (NaCl) at absorbed doses below 100 mGy. The relation between the reproducibility of the signal, in terms of the ratio between given absorbed dose and SAR-calculated dose, and parameters such as test-dose pre-heat temperature has been studied. It was found that a temperature of 200 °C yielded the best reproducibility in the SAR-calculated dose, which is a somewhat higher pre-heat temperature than what is used for dating of quartz.
