Abstract

Being insentive to high doses of light-charged particles, γ-rays and other electromagnetic r radiations, solid state nuclear tract detectors (SSNTDs) are suitable for application to low level α-counting. This paper describes tests carried out on a number of plastic SSNTDs and nuclear emulsions in order to study their various track registration properties. Attempts were also made to enhance the “signal to noise” ratio by making use of U.V. radiations and by dyeing the etched tracks. Both thick and thin alpha sources were employed during these studies. Lastly, LR-115 (a cellulose nitrate) foil was used in the estimation of the concentration and distribution of lead in teeth.

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