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Finite ion size effect on the stability ratio of colloidal dispersions
Colloid and Polymer Science ( IF 2.4 ) Pub Date : 2020-06-15 , DOI: 10.1007/s00396-020-04687-4
Hiroyuki Ohshima

An algorithm is presented for calculating the stability ratio of a dispersion of spherical colloidal particles on the basis of the Derjaguin–Landau–Verwey–Overbeek theory. The finite ion size effect is taken into account by using the approximate form of ionic activity coefficients given by Carnahan and Starling. A simple approximate analytic expression for the stability ratio without involving numerical integration is also derived. Graphical abstract Finite ion size effect on the stability ratio of colloidal dispersions.

中文翻译:

有限离子尺寸对胶体分散体稳定性比的影响

基于 Derjaguin-Landau-Verwey-Overbeek 理论,提出了一种计算球形胶体粒子分散体稳定性比的算法。通过使用 Carnahan 和 Starling 给出的离子活度系数的近似形式来考虑有限离子尺寸效应。还导出了不涉及数值积分的稳定比的简单近似解析表达式。图形摘要 有限离子尺寸对胶体分散体稳定性比的影响。
更新日期:2020-06-15
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