pATR spectrum

https://doi.org/10.1351/goldbook.08657
log10 of the spectrum obtained in attenuated total reflection spectroscopy.
Note:
The term is used to avoid the confusing, but common and incorrect, practice of calling it the absorbance spectrum.
Source:
PAC, 2021, 93, 647. (Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)) on page 759 [Terms] [Paper]