Direct determination of bulk etching rate for LR-115-II solid state nuclear track detectors |
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| Authors: | T A Salama U Seddik T M Hegazy A Ahmed Morsy |
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| Institution: | (1) Nuclear Physics Department, Nuclear Research Center, P.O. 13759, Cairo, Egypt;(2) Faculty of Girls, Ain-Shams University, P.O. Box, 11757 Cairo, Egypt |
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| Abstract: | The thickness of the removed layer of the LR-115-II solid state nuclear track detector during etching is measured directly
with a rather precise instrument. Dependence of bulk etching rate on temperature of the etching solution is investigated.
It has been found that the bulk etching rate is 3.2 μm/h at 60°C in 2.5 N NaOH of water solution. It is also found that the
track density in detectors exposed to soil samples increases linearly with the removed layer. |
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| Keywords: | Bulk etching rate LR-115-II sensitivity |
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