Before revision: Concentration profiles during a typical SFE extraction There are two essential steps to SFE, transport (by diffusion or otherwise) from with the solid particles to the surface, and dissolution in the supercritical fluid.
After revision: Concentration profiles during a typical SFE extraction There are two essential steps to SFE, transport (by diffusion or otherwise) of the solid particles to the surface, and dissolution in the supercritical fluid.