High Quality Content by WIKIPEDIA articles! MOSCED (short for “Modified Separation of Cohesive Energy Density Model”) is a thermodynamic model for the estimation of limiting activity coefficients (also known as activity coefficient at infinite dilution). From a historical point of view MOSCED can be regarded as an improved modification of the Hansen method and the Hildebrand solubility model. The first publication is from 1984 and a major revision of parameters has been done 2005. This revised version is described here.