Journal of Wetlands Research (한국습지학회지)

Korean Wetlands Society (한국습지학회)
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Feasibility Study of On-site Analysis on Nitrite

아질산성 질소의 현장 분석 방법 개발에 관한 기초 연구

  • Jung, Yong-Jun (Department of Environmental engineering, Catholic University of Pusan)
  • 정용준 (부산가톨릭대학교 환경공학과)
  • Received : 2013.02.19
  • Accepted : 2013.04.03
  • Published : 2013.05.31
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Abstract

Nitrogen in water is mainly composed of ammonium, nitrite and nitrate, and which can cause eutrophication. A lot of efforts were made to remove them and the accompanying efforts have been made for the development of analytical methods. Rapid and on site detection methods are required for the analysis of pollutants in water system. Thus, we focused on the development of analytical method for nitrite, and the feasibility study on the nitrite analysis by PVC adsorbent columns coated with BCDMA, Biphenyl and methanol. The adsorbents could effectively adsorb mixed reagent in the range of 4 to 20 $mgNO_2-N/L$ for nitrite detection and show linear relationship with color band length. The adsorbance was influenced by pH.

본 연구는 아질산성 질소의 간이분석을 위한 기초 연구로 수행되었다. 수중 질소는 부영양화를 유발하는 암모니아, 아질산 및 질산으로 주로 구성되어 있다. 질소화합물을 제거하기 위한 많은 연구들이 진행되었고, 이에 따른 분석기술도 발달했다. 현장 모니터링을 위한 간이 분석방법의 개발은 수질관리를 위해 필요하므로, 본 연구는 아질산성 질소의 현장 분석법 개발을 위해 진행되었다. BCDMA와 바이페닐로 코팅된 PVC 흡착 칼럼을 이용한 아질산성 질소 분석의 기초 연구를 수행하였다. 흡착칼럼내의 흡착제는 4~20 $mgNO_2-N/L$ 범위내에서 발색길이를 나타내었고, 흡광도는 pH의 영향을 받는 것으로 나타났다.

Keywords

References

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