한국물환경학회지 (Journal of Korean Society on Water Environment)

  • 제21권6호
  • /
  • Pages.564-568
  • /
  • 2005
  • /
  • 2289-0971(pISSN)
  • /
  • 2289-098X(eISSN)
한국물환경학회 (Korean Society on Water Environment)
권호 표지

O3에 의한 아조염료 Acid Red 27의 산화분해시 구조 변화에 관한 연구

Studies on the Oxidative Structural Change of Azo Dye Acid Red 27 by Ozone

  • 백미화 (이화여자대학교 환경학과) ;
  • 김동수 (이화여자대학교 환경학과)
  • Baek, Mi-Hwa (Department of Environmental Science and Engineering, Ewha Womans University) ;
  • Kim, Dong-Su (Department of Environmental Science and Engineering, Ewha Womans University)
  • 투고 : 2005.08.08
  • 심사 : 2005.09.01
  • 발행 : 2005.11.30
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초록

The structural change of azo dye (Acid Red 27) by oxidation with ozone has been investigated using FT-IR and $^1H$ NMR. The solution pH was observed to decrease during oxidation reaction, which was considered to be due to the generation of several organic and inorganic acids as the result of the decomposition of azo compound. The FT-IR analysis showed that changes of specific absorption bands of Acid Red 27 were observed after ozonation. When azo dye was oxidized by ozone, several new peaks were shown to appear by $^1H$ NMR analysis and the peaks were generally shifted to the direction of up field. This was presumably due to the breakage of benzene ring contained in the molecular structure of Acid Red 27 by the oxidation and the shape of peaks was shown to change according to the reaction time.

키워드

참고문헌

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