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단일액적법을 이용한 D2EHPA 의 코발트 추출반응 속도론
강탁,이준동,손헌준 대한금속재료학회(대한금속학회) 1990 대한금속·재료학회지 Vol.28 No.5
Systematic studies were carried out to investigate the extraction kinetics of cobalt by di-2-ethyl-hexyl phosphoric acid in kerosene using a single drop cell. The extraction rates were increased with increasing pH and cobalt concentration in the aqueous phase. The concentration of D₂EHPA had a little effect on the extraction rate within the experimental range. Extraction kinetics correlated well with the Handlos-Baron model coupled with an intermediate complex formation at the organic-aqueous interface