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arXiv 1601.03285cond-mat.soft
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逆Schulze-Hardy规则的推导

Derivation of the Inverse Schulze-Hardy Rule

Gregor Trefalt

摘要:

最近基于实验观察提出了逆Schulze-Hardy规则(Cao等人,Langmuir,2015,31,6610-6614)。该规则描述了多价共离子存在下带电胶体粒子聚集的一种有趣的新情况。具体地,可以表明,临界凝聚浓度与共离子价成反比。在这里推导的逆舒尔茨-哈代规则的基础上纯理论的理由是第一次。该推导补充了描述多价反离子体系的经典舒尔茨-哈代规则。

英文摘要:

The inverse Schulze-Hardy rule was recently proposed based on experimental observations (Cao et al., Langmuir, 2015, 31, 6610-6614). This rule describes an interesting new situation of the aggregation of charged colloidal particles in the presence of the multivalent coions. Specifically, it can be shown that the critical coagulation concentration is inversely proportional to the coion valence. Here the derivation of the inverse Schulze-Hardy rule based on purely theoretical grounds is presented for the first time. This derivation complements the classical Schulze-Hardy rule which describes the multivalent counterion systems.

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