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Effect of storage on optimum scrapping conditions of the nuclear track detector CR-39 | ||
| Journal of Education and Science | ||
| Article 26, Volume 25, Issue 1, 2012, Pages 107-119 PDF (0 K) | ||
| DOI: 10.33899/edusj.2012.58992 | ||
| Authors | ||
| Hana Hassan; Rabih Khader | ||
| Abstract | ||
| Abstract The effect of store for along time away from the optimum store condition for solid state nuclear track detector CR-39 was studied in this work, after irradiated by α- particles emitted from 241Am(1µCi) source with 3.5 MeV energy for 3min. The detector pieces were etched in 4N-6.25N aqueous solution of NaOH maintained at temperature 70 Co for various times from 0.75 hr – 6 hr. The results showed that the optimum condition was 5 N for aqueous solution and 3 hr for etching time at temperature 70 Co. The bulk etch rate VB and track etch rate VT and efficiency, sensitivity and the critical angle were calculated. | ||
| Keywords | ||
| storage; optimum; scrapping conditions; Nuclear track detector CR-39 | ||
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