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Crown화합물과 분광광도법에 의한 미량 납의 분리 및 분석
이화구,한현택,정창웅 순천향대학교 기초과학연구소 1999 순천향자연과학연구 논문집 Vol.5 No.2
Ion-pair extraction of lead(Ⅱ) form varying concentration of HCI solution was studied employing crown ether in nitrobenzenc as the extractant. Lead(Ⅱ) complex was stripped into alkaline solution and Pb(DDTC)₂complex was replaced quantitatively with Cu(Ⅱ), this complex has maximum absorbance at 450㎚. Beer's law applied in the range of 1.5 ∼ 7.5 ㎍/mL of Pb(Ⅱ) and molar absorptivity is 8.3 × 10³L/mole·㎝.