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Automatic isotope gas analysis of tritium labelled organic materials

I. Investigation of tritium/hydrogen exchange for automatic sample preparation

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Abstract

A new, automatic procedure developed to convert tritium in HTO into hydrogen for subsequent on-line gas counting is described. The water containing tritium is introduced onto a column prepared from molecular sieve-5A and heated to 550 °C. The tritium is transferred by isotopic exchange into hydrogen flowing through the column. The radioactive gas is led into an internal detector for radioactivity measurement. The procedure is free of memory effect, provides quantitative recovery, with analytical reproducibility better than 0.5% rel. at a preset number of counts. Application of the procedure in automatic isotope gas analysis of organic materials labelled with tritium will be described in subsequent papers (Parts II and III).

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Authors and Affiliations

  1. Central Research Institute for Chemistry of the Hungarian Academy of Sciences, Pusztaszeri út 59-67, 1025, Budapest, (Hungary)

    I. Gács & S. Mlinkó

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  1. I. Gács
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  2. S. Mlinkó
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Gács, I., Mlinkó, S. Automatic isotope gas analysis of tritium labelled organic materials. J. Radioanal. Chem. 44, 13–23 (1978). https://doi.org/10.1007/BF02517674

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  • DOI: https://doi.org/10.1007/BF02517674

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