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  • 03월 02일 17시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능

제117회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Quantitative determination of Zn in conducting polymer using ICP-MS

2016년 2월 18일 15시 08분 22초
ANAL2.O-13 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
금 10시 : 23분
분석화학 - 젊은 분석화학자의 구두 발표 II (Oral Presentation of Young Analytical Chemists II)
저자 및
김은지, 안효정, 김찬미, 김인기, 임흥빈*
단국대학교 화학과, Korea
Conducting polymers are consisted of long chains, repeating themselves with free electrons. They usually formed electromagnetic shielding of electronic circuit, so they can be used as antistatic coating materials. These days, their important application field is expanding into electroluminescent displays, for example, OLED as a hole injecting electrode owing to the conductivity affected by the presence of doping materials. Therefore, the doped metals and materials for practical usage became more complicated and important because they determine physical and electrical properties of the conducting polymer. Unfortunately, those complicated component made the analytical process difficult. In this work, we developed analytical procedure for conducting polymer containing ZnO and silica. First, FT-IR, EDX and XRF were used for component analysis, determining base material and additives, and a pre-treatment process based on microwave digestion and ashing followed by acid digestion. For the ashing, samples in a quartz crucible were heated up to 800 ℃ and then dissolved by concentrated HF and HNO3 solutions for ICP-MS measurement. The determined concentration of Zn was near 0.5%, obtained by standard calibration with In as an internal standard.