A Simple Trapping Method of Exhaled Water Using an Ice-cooled Tube to Monitor the Tritium Level in Human Body

A convenient and efficient method is developed for the trapping of water in exhaled air. A bent-V-shaped glass sampling tube was immersed in iced water and exhaled air was introduced into the tube through a plastic straw. The trapping efficiency of exhaled water was equivalent to those with more com...

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Bibliographic Details
Published in:RADIOISOTOPES 1994/04/15, Vol.43(4), pp.204-206
Main Authors: NOGAWA, Norio, MAKIDE, Yoshihiro
Format: Article
Language:eng ; jpn
Subjects:
bioassay
cold trap
exhaled water
tritiated water
tritium
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Summary:A convenient and efficient method is developed for the trapping of water in exhaled air. A bent-V-shaped glass sampling tube was immersed in iced water and exhaled air was introduced into the tube through a plastic straw. The trapping efficiency of exhaled water was equivalent to those with more complex and troublesome methods. Using anywhere available ice, the water in exhaled air can be readily collected with this method and the tritium level in the body will be quickly obtained.
ISSN:0033-8303
1884-4111
DOI:10.3769/radioisotopes.43.204