Dose response of polyvinyl alcohol films dyed by methyl red under gamma irradiation
by Nguyen Trieu Tu, Nguyen Van Dung, Tran Dai Nghiep
International Journal of Low Radiation (IJLR), Vol. 6, No. 3, 2009

Abstract: Polyvinyl Alcohol (PVA) films containing Methyl Red (MR) were prepared by the cast drying of an aqueous solution of the constituents. Irradiation was performed in air at room temperature with ⁶⁰Co gamma rays at a dose rate of 0.9 kGy/h. The characteristics of the films were analysed by a spectrophotometer and densitometer. The dose response of the films was described by the energy transfer model. The sensitivity of the films was determined. The film is recommended for use in gamma dosimetry, gamma radiation protection and accident analysis.

Online publication date: Sun, 11-Oct-2009

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