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.