Sedimentation and electrophoresis of interacting substances III. Sedimentation of a reversibly aggregating substance with concentration dependent sedimentation coefficients

Abstract
The sedimentation of a reversibly aggregating substance is discussed on the basis of a model in which diffusion is neglected, as in an earlier theory, but in which concentration dependent sedimentation coefficients are now included. In addition, the effect of non-aggregating impurities is assessed. Sedimentation velocities calculated by computer for the model have been compared with published experimental results for β-lactoglobulin A and agreement has been found between theory and experiment.