Polyvinyl butyral films containing leuco-malachite green as low-dose dosimeters

Polyvinyl butyral films containing leuco-malachite green as low-dose dosimeters

Thin films containing leuco-malachite green (LMG) dye in polyvinyl butyral (PVB) have been developed for dose measurements of a few hundreds Gy level. The film shows significant color change in the visible range, and the sensitivity of the film to absorbed dose was enhanced by addition of chloride-c...

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Veröffentlicht in:Radiation physics and chemistry (Oxford, England : 1993) England : 1993), 2008-04, Vol.77 (4), p.457-462
Hauptverfasser: Mai, Hoang Hoa, Solomon, H.M., Taguchi, M., Kojima, T.
Format: Artikel
Sprache:eng
Schlagworte:
60Co γ-rays
Chloride containing compounds
Dosimeter
Leuco-malachite green
Low dose
Polyvinyl butyral
Radiation processing
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Zusammenfassung:Thin films containing leuco-malachite green (LMG) dye in polyvinyl butyral (PVB) have been developed for dose measurements of a few hundreds Gy level. The film shows significant color change in the visible range, and the sensitivity of the film to absorbed dose was enhanced by addition of chloride-containing compounds, such as chloral hydrate or 2,2,2-trichloroethanol. The film is suitable as dosimeters for dose measurements, e.g. in food irradiation and environmental protection.
ISSN:0969-806X
1879-0895
DOI:10.1016/j.radphyschem.2007.06.012