molar Napierian absorption coefficient

symbol: κ
synonym: absorption coefficient
https://doi.org/10.1351/goldbook.08270
Napierian absorbance (Ae) divided by path-length (l) and amount concentration (c). κ=Ae/(cl).
Source:
PAC, 2021, 93, 647. (Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)) on page 667 [Terms] [Paper]