کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
597906 | 1454081 | 2006 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Overcharging, charge reversal: Chemistry or physics?
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
شیمی کلوئیدی و سطحی
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چکیده انگلیسی
Overcharging, also called charge reversal or charge inversion, is the occurrence of electric double layers in which, as measured by electrokinetics or interaction, there is more countercharge than charge on the surface. The trend is that the propensity of overcharging increases with the valency of the counterion. For the interpretation of this phenomenon, disparate explanations have been forwarded and elaborated that, briefly, can be distinguished as “chemical” (specific adsorption, …) and “physical” (ion correlations, …). In the present paper, an analysis of this disparity will be given. In particular, types of experiments will be proposed which can help to discriminate.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Colloids and Surfaces A: Physicochemical and Engineering Aspects - Volume 291, Issues 1–3, 15 December 2006, Pages 3–12
Journal: Colloids and Surfaces A: Physicochemical and Engineering Aspects - Volume 291, Issues 1–3, 15 December 2006, Pages 3–12
نویسندگان
Johannes Lyklema,