UV-Spectroscopic Quantitative Determination of Non-aromatic Amines in Ionic Liquids

  • STARK Annegret
    Friedrich-Schiller University Jena, Institute for Technical Chemistry and Environmental Chemistry
  • BRAUN Oliver
    Friedrich-Schiller University Jena, Institute for Technical Chemistry and Environmental Chemistry
  • ONDRUSCHKA Bernd
    Friedrich-Schiller University Jena, Institute for Technical Chemistry and Environmental Chemistry

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Abstract

In the last decade, ionic liquids have shown great promise in a plethora of applications. Nevertheless, little attention has been paid to the characterization of the purity of these fluids, which ultimately lead to non-reproducible data in the literature. Derivatization with carbon disulfide is used to quantitatively determine primary and secondary non-aromatic amines (detection limit: 0.2 wt%), such as 1-butylamine, morpholine or pyrrolidine, in ionic liquids. The corresponding dithiocarbamates formed are analyzed by ultraviolet spectroscopy at wavelengths between 277 and 285 nm.

Journal

  • Analytical Sciences

    Analytical Sciences 24 (5), 681-683, 2008

    The Japan Society for Analytical Chemistry

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