Abstract
The sedimentation of a demixed solution in an ultracentrifugal field is treated. It is shown experimentally for a solution of PS in cyclohexane that a density inversion occurs leading to heterogeneous equilibrium although the mechanical equilibrium is not established.
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Borchard, W., Holtus, G. Superposition of sedimentation and demixing in a centrifugal field. Colloid & Polymer Sci 267, 1127–1132 (1989). https://doi.org/10.1007/BF01496935
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DOI: https://doi.org/10.1007/BF01496935