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To Determine Dose Response Curves of Dyed Polyvinyl Alcohol Films Irradiated with Gamma-Rays
Institute for Nuclear Science and Technology, Hanoi, Vietnam
Institute for Nuclear Science and Technology, Hanoi, Vietnam
Institute for Nuclear Science and Technology, Hanoi, Vietnam
- 1 Institute for Nuclear Science and Technology, Hanoi, Vietnam
- 2 Institute for Nuclear Science and Technology, Hanoi, Vietnam
- 3 Institute for Nuclear Science and Technology, Hanoi, Vietnam
Open Journal of Safety Science and Technology·Volume 08 (2018)·Pages 13–19·Published 8 March 2018·DOI10.4236/ojsst.2018.81002
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Abstract
The Polyvinyl Alcohol (PVA) films dyed with different colors such as methylene blue (MB), methyl orange (MO), methyl red (MR) and crystal violet (CV) were investigated. The dyed PVA films were irradiated by with Co 60 γ -source in dose range of 1 - 150 kGy. The optical density change in these films at pre and post irradiation was studied by spectrophotometer. The gamma dose response curves of the dyed PVA films were described by saturated exponential function of the energy transfer model with high correlative coefficient. The color sensitivities on the dyed PVA films irradiated by source were different. The PVA films dyed with MB h a d the highest sensitivity.
KeywordsDyed Thin FilmDose Response CurvesOptical DensityMethylene BlueMethyl OrangeMethyl Red and Crystal Violet
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