지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
In this study, static and dynamic solvent extractions are compared for more efficient extraction of polychlorinated dibenzofurans (PCDFs) from fly ash. Static solvent extraction rather than dynamic extraction showed a higher recovery of PCDFs, which was adsorbed strongly with fly ash. The effects of parameters, such as temperature, toluene-isopropyl alcohol mixture, static and dynamic time flow rate, and solvent volume on the extraction were investigated and the variations in average recoveries of PCDFs were explained. In both extractions, temperature was an effective parameter because the higher temperature gave the higher recoveries. In dynamic solvent extraction, dynamic time was more effective than flow rate and solvent volume for the extraction of PCDFs from fly ash. Multi-layer column chromatography on neutral and acidic silica gel with n-hexane was used for cleaning up the extracts. The quantification of the PCDFs extracted was performed using HPLC-UV.
목차
Abstract
Introduction
Experimental
Results and Discussion
Conclusions
References
참고문헌 (19)
참고문헌 신청
[학술지(정기간행물)] - Zuloaga, O / 1999 / Talanta 50 : 345 ~ 357
[학술지(정기간행물)] - Sulkowski, W / 1999 / Chromatogr. A 845 : 349 ~ 355
[학술지(정기간행물)] - Luque de Castro, M. D / 1998 / Anal. Chim. Acta 369 : 1 ~ 10
[학술지(정기간행물)] - Zuluoga, O / 1998 / rends in Anal. Chem. 17 (10) : 642 ~ 647
[학술지(정기간행물)] - Evans, J / 1998 / J. Soil Contamination 7 (5) : 589 ~ 597
[학술지(정기간행물)] - Sulkowski, W / 1999 / Chromatogr. A 845 : 349 ~ 355
[학술지(정기간행물)] - Luque de Castro, M. D / 1998 / Anal. Chim. Acta 369 : 1 ~ 10
[학술지(정기간행물)] - Zuluoga, O / 1998 / rends in Anal. Chem. 17 (10) : 642 ~ 647
[학술지(정기간행물)] - Evans, J / 1998 / J. Soil Contamination 7 (5) : 589 ~ 597
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UCI(KEPA) : I410-ECN-0101-2009-433-018067807