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An experimental set-up has been used for carrying out static exposure tests to study the uptake and oxidation of tritium in ambient room air, and in the presence of selected material surfaces. The tests consist of injecting elemental tritium into a pyrex chamber and measuring HT and HTO concentrations as a function of time by performing periodically a sample analysis of the chamber atmosphere. The chamber is surrounded by a radio-frequency heater which is utilized for post-exposure decontamination of the surface, hence enabling an estimation of the total amount of tritium absorbed during the exposure.

The paper reports the results obtained using metallic (stainless steel and aluminium) and organic based material surfaces (paints). Furthermore, numerical simulations are carried out by using the TMAP4 code (tritium migration analysis program). .

Additional information

Authors: HOUSIADAS C, JRC Ispra (IT);DOUGLAS K, JRC Ispra (IT)
Bibliographic Reference: Paper presented: 5th Topical Meeting on Tritium Technology in Fission, Fusion and Isotopic Applications, Belgirate (IT), May 5 - June 3, 1995
Availability: Available from (1) as Paper EN 39063 ORA
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