Radiochromic film containing methyl viologen for radiation dosimetry

M. Lavalle, U. Corda, P.G. Fuochi, S. Caminati, M. Venturi, A. Kovács, M. Baranyai, A. Sáfrány, Arne Miller

    Research output: Contribution to journalConference articleResearchpeer-review

    Abstract

    Poly(vinyl alcohol) (PVA) films containing methyl viologen (MV2+) that colours blue upon exposure to ionizing radiation were investigated as possible dosimeters for use in radiation processing applications. In order to find the most suitable composition of the PVA-MV2+ film, different concentrations of the dye have been studied. The absorbance values at selected wavelengths, obtained from irradiation of the PVA film containing the most suitable MV2+ concentration, can be satisfactorily related to the absorbed dose over a wide range, from 50 Gy up to 40 kGy. The effects of dose, dose rate, humidity and temperature on the response of the PVA-MV2+ dosimeter film have been studied under laboratory conditions. We conclude that the PVA film containing MV2+ is a promising tool for the absorbed dose measurements in several industrial applications of ionizing radiations. (C) 2007 Elsevier Ltd. All rights reserved.
    Original languageEnglish
    JournalRadiation Physics and Chemistry
    Volume76
    Issue number8-9
    Pages (from-to)1502-1506
    ISSN0969-806X
    DOIs
    Publication statusPublished - 2007
    Event11th Tihany symposium on radiation chemistry - Eger, Hungary
    Duration: 26 Aug 200631 Aug 2006
    Conference number: 11

    Conference

    Conference11th Tihany symposium on radiation chemistry
    Number11
    CountryHungary
    CityEger
    Period26/08/200631/08/2006

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