Abstract
The molarity and temperature dependences of the bulk etch rate of CR-39 have been restudied with NaOH etchant over the molarity range 0–10 M and temperature range 40–75°C. The exponential law fits the molarity dependence better than the power law. The linear relationship between the bulk etch rate of CR-39 and the gamma dose over the dose range 0–10 5 Gy obtained from a 60 Co gamma-ray source suggests the use of CR-39 as a simple gamma dosimeter.
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