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  • 1 Central Research Institute for Chemistry of the Hungarian Academy of Sciences Pusztaszeri út 59-67 1025 Budapest (Hungary)
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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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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)