adsorber

https://doi.org/10.1351/goldbook.A00154
Solid material used to @C00796@ either a gas or liquid; often @A00090@ is employed as the solid because of its high surface area per unit mass.
Source:
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2171 [Terms] [Paper]