Fourier Transform Infrared Spectroscopy

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Abstract

Since the early 1950s, IR spectroscopy has been a routine analytical tool for lignin chemists. In the past, spectra were recorded using the so-called dispersive technique, i.e., with grating-type or prism instruments. In the last decade, Fourier transform infrared (FTIR) spectrometers have become increasingly available for routine laboratory work.