Abstract
Investigations on the quantitative radio thin-layer chromatography of tritium-labelled compounds A measuring arrangement for the quantitative radio thin-layer chromatography of tritium and other low-energy β-emitters is described. The influence of various chromatographic and technical factors on the efficiency of the measurement and the reproducibility of quantitative results is investigated. At a detection limit of 2 nC the measuring efficiency for tritium was 1.5% ( 14C: 0.1 nC, 23.5%). The over-all error of the method ranges from 10 to 20%, depending on the level of activity applied.
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