mobile phase

in chromatography
https://doi.org/10.1351/goldbook.M03952
A fluid which percolates through or along the stationary bed, in a definite direction. It may be a liquid (@L03578@) or a gas (@G02578@) or a @S06138@ (@S06139@). In gas @C01075@ the expression @C00863@ may be used for the mobile phase. In @E02046@ the expression '@E02040@' is also used for the mobile phase.
Sources:
Orange Book, 2nd ed., p. 97 [Terms]
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2202 [Terms] [Paper]
PAC, 1993, 65, 819. (Nomenclature for chromatography (IUPAC Recommendations 1993)) on page 824 [Terms] [Paper]