Performance tests using the Lexsyg luminescence reader
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Department of Geography, Justus-Liebig-University Giessen, Senckenbergstr. 1, 35390, Giessen, Germany
Online publication date: 2014-10-01
Publication date: 2014-12-01
Geochronometria 2014;41(4):327-333
This study presents test measurements on a Lexsyg luminescence reader, acquired by the Giessen luminescence group. The reader is of the type Standard, hence designed for routine determination of palaeodoses using quartz or K-feldspars. The tests include measurements of the stimulation powers, preheat temperatures, OSL- and TL-curves, as well as dose recovery tests and calibration measurements using highly sensitised calibration quartz. A comparison of D e values determined using a Lexsyg reader with single grain D e-values, which have been previously obtained on a Risø reader, is also presented. The results imply that the Lexsyg reader is a highly reliable measurement device with high reproducibility, yielding instrumental uncertainties of around 0.3%.
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