Here In hydrocarbon solvents, carboxylic acids such as SA dimerise, while glycerol esters, such as GMO and GMS 86 can form reverse micelles. Previous MD simulations have shown that SA monomers and dimers exhibit equal affinity for iron oxide surfaces. As micellation is not taken into account here, the results will be representative of systems below the CMC of the surfactants in the hydrocarbon solvent. To our knowledge, the CMC has not been quantified for the systems studied here. Future work could use the same techniques adopted here to study the adsorption of reverse micelles on solid surfaces.