Accurate Determination of Tritium in Biosystems

M. A. Kim; F. Baumgartner; C. Schulz

doi:10.1524/ract.1991.55.2.101

Accurate Determination of Tritium in Biosystems

M. A. Kim, F. Baumgartner, C. Schulz

Chair of Radiochemistry (2008 — 2015)

Technical University of Munich

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

The accurate determination of tritium specific activities in tissue water as well as in organic components of biosystems is de-scribed. The isotope effect arising intrinsically in the separation of tissue water from biological samples is found as a critical error source even in a fully optimalized method for the biotritium measurement. The tritium fractionation caused in the process of tissue water separation is precisely quantified by the investigation of two different simulated systems: HTO/H₂0 and alkali metalchloride solutions in HT0/H₂0. The results are applied to the study of a real biological system and possibilities of error correction are discussed.

Original language	English
Pages (from-to)	101-106
Number of pages	6
Journal	Radiochimica Acta
Volume	55
Issue number	2
DOIs	https://doi.org/10.1524/ract.1991.55.2.101
State	Published - Aug 1991

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10.1524/ract.1991.55.2.101

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AB - The accurate determination of tritium specific activities in tissue water as well as in organic components of biosystems is de-scribed. The isotope effect arising intrinsically in the separation of tissue water from biological samples is found as a critical error source even in a fully optimalized method for the biotritium measurement. The tritium fractionation caused in the process of tissue water separation is precisely quantified by the investigation of two different simulated systems: HTO/H20 and alkali metalchloride solutions in HT0/H20. The results are applied to the study of a real biological system and possibilities of error correction are discussed.

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Accurate Determination of Tritium in Biosystems

Abstract

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