Journal of the Korean Chemical Society (대한화학회지)

Korean Chemical Society (대한화학회)
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Fluorimetric Determination of Iron with N,N'-Oxalylbis(2-pyridyl-3'-sulphobenzoylhydrazone)

N,N'-Oxalylbis(2-pyridyl-3'-sulphobenzoylhydrazone)을 이용한 철의 형광광도법 정량

  • Bark Ki-Min (Department of Chemical Education, Gyeongsang National University) ;
  • Kim Yong-Nam (Department of Chemistry, Kyungnam University)
  • 박기민 (경상대학교 사범대학 화학교육과) ;
  • 김용남 (경남대학교 자연과학대학 화학과)
  • Published : 1993.06.20
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Abstract

A fluorimetric method for the determination of Fe(Ⅲ) using N,N'-oxalylbis(2-pyridyl-3'-sulphobenzoyl hydrazone)(OPSH) as a emission reagent has been developed. Determination has been performed by measuring the fluorescence intensity of Fe(Ⅲ) complex at 367 nm in aqueous solution (pH 3) with 290 nm excitation. There was a linear relationship between Fe(Ⅲ) concentration and fluorescence intensity over the range 2000∼10 ng/ml. The method has been applied to the determination of Fe(Ⅲ) in synthetic mixtures and tap water

N,N'-oxalylbis(2-pyridyl-3'-sulphobenzoyl hydrazone)(OPSH)를 발광시약으로 사용하여 형광광도법으로 Fe(Ⅲ)을 정량하는 방법을 개발하였다. pH 3인 수용액에서 290 nm를 들뜸 파장으로 하여 367 nm에서 Fe(Ⅲ) 착물의 형광세기를 측정하여 정량하였다. Fe(Ⅲ)의 농도가 2000~10ng/ml인 범위에서 정량이 가능하였으며 이 방법을 합성시료 및 수도물의 분석에 적용하였다.

Keywords

References

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