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Superposition of sedimentation and demixing in a centrifugal field

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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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  1. W. Borchard

    Present address: Angewandte Physikalische Chemie der Universität - GH - Duisburg, Duisburg, Germany

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  1. Angewandte Physikalische Chemie der Universität - GH - Duisburg, Duisburg, Germany

    G. Holtus

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  1. W. Borchard
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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

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