Analytical and Bioanalytical Chemistry

, Volume 387, Issue 6, pp 2263–2269 | Cite as

Dissolution of cellulose in ionic liquids as a way to obtain test materials for metal-ion detection

  • Vladimir M. Egorov
  • Svetlana V. Smirnova
  • Andrey A. Formanovsky
  • Igor V. Pletnev
  • Yury A. Zolotov
Original Paper

Abstract

Cellulose films containing entrapped analytical reagents suitable for metal-ion detection are produced by joint dissolution of cellulose and the reagents in ionic liquids then precipitation with water. The conditions of preparation of these test materials have been optimized and their properties have been studied. The film obtained by use of the ionic liquid 1-butyl-3-methylimidazolium chloride and 1-(2-pyridylazo)-2-naphthol has been used for colorimetric determination of divalent zinc, manganese, and nickel with detection limits at the 10−6 mol L−1 level.

Keywords

Metals/Heavy metals Preconcentration Thin films Water 

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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  • Vladimir M. Egorov
    • 1
  • Svetlana V. Smirnova
    • 1
  • Andrey A. Formanovsky
    • 1
  • Igor V. Pletnev
    • 1
  • Yury A. Zolotov
    • 1
  1. 1.Department of ChemistryLomonosov Moscow State UniversityMoscowRussia

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