The suitability of a homopolymer type of PVC film (QCA-5960, 0. 015" thick) as a high-dose electron dosimeter (1-5 Mrads) has been in¬vestigated. Different heat treatments were applied in order to obtain a reasonable storage stability and an approximately linear relationship be¬tween optical density and dose over the dose range from 0.5 to 5 Mrads. The spectral range was 3900 to 5000 A. The effect of the dose rate on the coloration of PVC was studied.
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