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제116회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Investigation on Raman spectral features of lactose/PE pellets prepared with different particle sizes

등록일
2015년 9월 2일 19시 24분 38초
접수번호
1154
발표코드
ANAL.P-335 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
10월 16일 (금요일) 13:00~14:30
발표형식
포스터
발표분야
분석화학
저자 및
공동저자
전슬아, 정회일*
한양대학교 화학과, Korea
To investigate the variation of Raman spectral feature depends on particle size and its influence on accuracy of quantitative analysis, pellets composed of lactose (5-15wt%) and polyethylene (PE) were prepared, and the corresponding Raman spectra were acquired. For the preparation of pellets, the sizes of lactose were varied (below 50, 50-100, 100-200, 200-300, over 300um), while the size of polyethylene (PE) was unchanged. When the size of lactose particle was smallest, the band shape was dissimilar to those with different particle sizes. The origin for the difference is now under investigation in conjunction with the particle size as well as porosity using Monte-Carlo simulation. Finally, the lactose concentrations were determined using partial least squares (PLS) regression and the dependency of accuracy on the particle size was searched.

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