Etching characteristics of LR-115 type II films using percentage–track density

Abstract

We investigate the etching characteristics of environment-exposed LR-115 film (cellulose nitrate) solid state nuclear track detector (SSNTD), which is commonly used for the detection of terrestrial ionizing radiation, particularly in indoor and soil gas environments. The percentage-track density in exposed LR-115 detectors is used as a proxy for bulk etching and examined under different etching conditions. Expectedly, results reveal that the track density increases with temperatures and normality. Linear regression coefficients as well as multiple linear regression coefficients are estimated.