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박면용,이명재,조동희,원충택 建國大學校基礎科學硏究所 1992 理學論集 Vol.17 No.-
The ion-selective electrode based on ferric oxide and calcium ferric have been studied to ionic sensitivities, selectivities and response behaviors in aqueous solution. The membrane selectrode of ferric oxide was prepared by using α-ferric hydroxide from ferric nitrate solution at pH 4.5∼6.0 . The membrane were sintered at 1,200℃ and 1,350℃. Calcium ferrite was prepared by mixing ferric oxide with calcium oxide on molar ratio of 0.8 : 0.2 and the selectrode membrane based on calcium ferrite was sintered at 1,100℃ Membrane seletrode of ferric oxide was responded without any selectivity to Ag? Ni?, Ca?, Bi?, Ci?, HCO₃?, CIO₄? and NO₃? ion. Membrane seletrode of calcium ferric responded except sensitivity to Ag?, Be?, Cu?, Cr?, Bi?, HCO₃?, CO??, and S??, but their sensitivities were agreed with Nernstain solpe. The selectrode of calcium ferrite was shown reproducible potential response to ions in the solution for six months
이경재,박면용,조동희,정성숙,박선영 建國大學校基礎科學硏究所 1993 理學論集 Vol.18 No.-
갈바니식 산소센서용 산화음극재료의 연구에 순수한 납, 납-안티몬, 납-안티몬-주석, 납-칼슘의 합금을 사용하였다. 그중에서 납-안티몬 합금이 4M 수산화나트륨 용액중에서 가장 큰 포화전위를 5분안에 나타냈다. 4M 수산화나트륨 용액에 소량의 피로갈롤을 첨가하면 2분안에 포화전위에 도달하는 빠른 응답을 나타냈다. The pure lead, lead-antimony, lead-calcium and lead-antimony-tin aollys have been studied to use as an anodic materials of galvanic oxygen sensors. Among tested materials lead-antimony alloy was shown the highest saturated potential in 4M potassium hydroxide solution and in five minutes. Pyrogallol solution in 4M potassium hydroxide was shown rapid response to be reached the saturated potential in two minutes.