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- W764248971 abstract "이온교환수지로 희토류원소들을 분리 하기 위해 용리액으로 iminodiacetic acid(IMDA)를 사용하였다. 용리액의 pH변화에 따른 음이온교환수지와 양이온교환수지에서 희토류원소들의 IMDA 화학종변화와 이들의 분리조건을 밝히고저 하였다. 희토류원소들의 가장 좋은 분리조건은 양이온교환수지에서 0.0301M IMDA의 pH를 8.00에서 9.00까지 단계적으로 변화시키면서 용리시켰을 때였고 용출순서는 원자번호순서와 일치하였다. 용리액의 pH변화에 따른 희토류원소와 IMDA간의 화학종 변화를 용리곡선과 자외선 흡수 스펙트럼으로 부터 추정하였다. 【The elution behaviors of the rare earths was carried out in the iminodiacetic acid solution of various pH as eluent using ion exchange resin. The optimum eluent for the quantitative separation of $Eu^{3+},;Pr^{3+},;Ce^{3+};and;La^{3+}$ were 0.0301M IMDA solution of pH 8.00 and 9.00 at 5cm column of the resin Dowex 50 ${times}$ 8 (100-200 mesh). The elution order of the rare earth elements was in order of the atomic number of those elements. From the elution behavior of rare earth and u.v spectrum we found that the complexed rare earth species with IMDA changed according to pH of IMDA.】" @default.
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- W764248971 title "Study on the Elution Behaviors of Rare Earth Elements by Iminodiacetic acid" @default.
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