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J Radiat Prot > Volume 31(1); 2006 > Article
Journal of Radiation Protection 2006;31(1):47-0.
실용적이고 간단한 환경시료의 감마핵종 자체흡수보정 방법
A Practical and Simple Method of Self-absorption Correction for Environmental Samples
Lee, Wan-No;Lee, Haeng-Pil;Chung, Kun-Ho;Cho, Young-Hyun;Choi, Geun-Sik;Lee, Chang-Woo;Chung, Hyung-Wook;Lee, Eun-Ju;Sho, You-Sup;Lee, Jong-Ok;
A self-absorption correction is important issue for the exact radioactivity determination of gamma emitting radionuclides in environmental samples which have the range of apparent density from $0.3g/cm^3$ up to $1.5g/cm^3$. In this paper, a practical and simple method without radioactive standard solutions having various densities is proposed for the self-absorption correction of environmental samples by a developed outside beaker surrounding Marinelli beaker. For the densities of 0.8, 1.0, $1.3g/cm^3$, the corrected efficiencies by the new method and the measured those by radioactive standard solutions of the three densities showed good agreement within 4 %.
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