Fluometuron is partitioned between a soil and a solvent in accord with its chemical structure and that of the soil and solvent. Direction of approach (i.e., adsorption or desorption), soil/solvent ratio, type of soil and type of solvent affect the equilibrium distribution. In the presence of an “infinite” number of soil sites and an “infinite” number of solvent sites the partition is approximately linear. As soil sites become limiting, the partition becomes curvilinear. The curvilinear response can be translated to “monolayer” concentration and amount of covered surface area. Fluometuron adsorbed by Cecil B2t soil from dichloromethane solution covers only a small fraction of the total surface area of the soil.
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HERMIT S. LAFLEUR (1973) studied this question.