Journal
APPLIED RADIATION AND ISOTOPES
Volume 66, Issue 6-7, Pages 972-975Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.apradiso.2008.02.043
Keywords
radioiodine; activated charcoal cassette; sampling; breakthrough
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Sampling of radioiodine in air is accomplished by passing an air sample through an activated charcoal cassette. A mathematical model was developed, which assumes that radioiodine distribution along the cassette axis can be expressed by an exponential function. The model was validated experimentally for cassettes used for air sampling of radioiodine production boxes. There is a good agreement between the measurements and model predictions. Furthermore, when breakthrough occurs, the model can be used to estimate the activity that passed through the cassette unabsorbed. (c) 2008 Elsevier Ltd. All rights reserved.
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