قياس مستويات الرادون في مادة الاسمنت بأستخدام كاشف الاثر النووي العضوي LR-115

Abstract

This research aims to determine the radon concentrations in different samples for cement material using the track detector LR-115. Where in the induction etching time and the relevant etching time were evaluated, 30 min and 100 min respectively, more over the etching track factors were calculated such as(VB,VT,V,η,θc)according to optimum etching conditions(normality 2.5 N and the temperature of etchant solution 60°C) .The obtained results were showed that the detector have efficiency above 50% towards alpha particles, furthermore it was found that the radon concentrations was varied between the local and exported samples.