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J Radiat Prot > Volume 21(1);1996 > Article
Journal of Radiation Protection 1996;21(1):9.
Crown Ether/Chloroform 용매추출법을 이용한 토양시료중의 $^{89}Sr,;^{90}Sr$ 분석
홍광희;최용호;김상복;이명호;박효국;최근식;김삼랑;이창우;
Analysis of $^{89}Sr,;^{90}Sr$ in Soil Sample Using Crown Ether/Chloroform Solvent Extraction Method
Hong, Kwang-Hee;Choi, Yong-Ho;Kim, Sang-Bog;Lee, Myong-Ho;Park, Hyo-Guk;Choi, Kun-Sik;Kim, Sam-Rang;Lee, Chang-Woo;
ABSTRACT
For the determination of radiostrontium, $^{89}Sr;and;^{90}Sr$ in environmental soil sample, a solvent extraction method for the separation of Ca and Sr from matrix using crown ether was investigated. In comparison with the existing fuming nitric acid method, the extraction method showed high chemical yield of strontium and provided simple and rapid analytical steps. The new analytical method applied to the determination of radiostrontium in some soil sample around a nuclear power station to show that the analytical procedure is readily applicable to the practical radioactivity monitoring.
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