adsorption factor

https://doi.org/10.1351/goldbook.14426
Ratio of the amount of substance adsorbed at the interface of a condensed layer and a liquid or gaseous phase to the total amount of the substance available for adsorption.
Source:
PAC, 2009, 81, 829. (Glossary of terms used in ecotoxicology (IUPAC Recommendations 2009)) on page 836 [Terms] [Paper]