A method to collect an infrared spectrum in solution.

Anal Sci

Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China.

Published: July 2007

AI Article Synopsis

  • A novel method is introduced for collecting accurate infrared spectra of solutes in solution using two solvent cells with different thicknesses.
  • By capturing background spectra with both cells, the study ensures that the solvent amounts in the sample and reference are aligned.
  • This approach effectively minimizes solvent interference, resulting in a clearer and more qualified spectrum of the solute.

Article Abstract

Herein we report a new method to collect a qualified infrared spectrum of a solute in solution by two solvent cells with different thickness during background single-beam spectrum scanning. By collecting the background spectrum with two cells (two stages), we successfully achieved accurate solvent compensation between a sample and a reference, namely, the solvent amounts in the sample and background measurements could become congruent. Therefore, the solvent bands were thoroughly suppressed in the infrared spectrum and a qualified spectrum of the solute was obtained.

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http://dx.doi.org/10.2116/analsci.23.869DOI Listing

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