Infrared Spectroscopy in Aqueous Solutions: Capabilities and Challenges

Polina S. Fominaa Institute of Analytical and Bioanalytical Chemistry, Ulm University, Ulm, Germany

https://orcid.org/0000-0002-8315-7948 View further author information

Mikhail A. Proskurninb Department of Chemistry, Lomonosov Moscow State University, Moscow, Russia

https://orcid.org/0000-0001-5577-6883 View further author information

Boris Mizaikoffa Institute of Analytical and Bioanalytical Chemistry, Ulm University, Ulm, Germany;c Hahn-Schickard, Institute for Microanalysis Systems, Ulm, Germany

https://orcid.org/0000-0002-5583-7962 View further author information

Dmitry S. Volkovb Department of Chemistry, Lomonosov Moscow State University, Moscow, RussiaCorrespondence[email protected]

https://orcid.org/0000-0002-1976-0689 View further author information

Abstract

Fourier-transform infrared (FTIR) spectroscopy provides rapid, reliable, quantitative, and qualitative analysis of samples in different aggregation states, i.e., gases, thin films, solids, liquids, etc. However, when analyzing aqueous solutions, particular issues associated with the rather pronounced IR absorption characteristics of water appear to interfere with the solute determination. In this review, Fourier-transform infrared spectroscopic techniques and their analytical capabilities for analyzing aqueous solutions are reviewed, and highlight examples are discussed.

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Acknowledgments

This research was performed according to the Development program of the Interdisciplinary Scientific and Educational School of Lomonosov Moscow State University, “The future of the planet and global environmental change”.

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Funding

This work was supported by The Russian Foundation for Basic Research, project number 20-33-70211. BM and PF acknowledge partial financial support by the EU Horizon 2020 project PHOTONFOOD (#101016444).

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Infrared Spectroscopy in Aqueous Solutions: Capabilities and Challenges

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