분석과학 (Analytical Science and Technology)

  • 제17권6호
  • /
  • Pages.476-480
  • /
  • 2004
  • /
  • 1225-0163(pISSN)
  • /
  • 2288-8985(eISSN)
한국분석과학회 (The Korean Society of Analytical Sciences)
권호 표지

Analysis of Germanium in the Ore Samples by UV-Visible Spectroscopy

  • Reddy, K. Raghava (Department of Chemistry Graduate School, Kyungpook National University) ;
  • Lee, Kwang-Pill (Department of Chemistry Graduate School, Kyungpook National University) ;
  • Gopalan, Anantha Iyengar (Department of Chemistry Graduate School, Kyungpook National University) ;
  • Showkat, Ali Md (Department of Chemistry Graduate School, Kyungpook National University) ;
  • Kim, Sang-Ho (Department of Chemistry Graduate School, Kyungpook National University) ;
  • Paek, U-Hyon (Department of Chemistry, Gyeongsang National University)
  • 투고 : 2004.09.08
  • 심사 : 2004.10.04
  • 발행 : 2004.12.25
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초록

A simple, rapid, reproducible and selective UV-Visible spectrophotometric method has been developed for determination of germanium in a week acid medium (pH = 3.0) in the presence of mandelic acid (MA) and malachite green (MG). A single extraction in chlorobenzene was used for the analysis. The germanium-MA ion association complex exhibits an absorption maximum at ${\lambda}_{max}=618nm$ with MG as counter ion and has an apparent molar absorptivtity of $1.313{\times}10^5L\;mol^{-1}\;cm^{-1}$. The values obtained by this UV-Visible spectrophotometric method are in good agreement with the values from inductively coupled plasma-mass spectrometer analysis.

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