Electrokinetics of spherical colloidal particles with a slip surface in a concentrated suspension
A theory is developed of the electrophoresis of a spherical colloidal particle with a slip surface in a concentrated suspension on the basis of Kuwabara’s cell model. We introduce the slipping length on the particle surface, which is the measure of the particle surface hydrophobicity. We derive the...
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| Veröffentlicht in: | Colloid and polymer science 2020-12, Vol.298 (12), p.1679-1684 |
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| container_title | Colloid and polymer science |
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| creator | Ohshima, Hiroyuki |
| description | A theory is developed of the electrophoresis of a spherical colloidal particle with a slip surface in a concentrated suspension on the basis of Kuwabara’s cell model. We introduce the slipping length on the particle surface, which is the measure of the particle surface hydrophobicity. We derive the general expression of the particle electrophoretic mobility and its approximate analytic expressions for a particle carrying a low zeta potential. Expressions for other electrokinetics, that is, electrical conductivity, sedimentation velocity, and potential in concentrated suspensions, are also derived. Furthermore, it is shown that as in the case of a dilute suspension, a similarity is found between the electrokinetics of charged spherical solid particles with a slip surface in a concentrated suspension and that for liquid drops.
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Electrophoretic mobility of a sphere with a slip surface in a concentrated suspension |
| doi_str_mv | 10.1007/s00396-020-04755-9 |
| format | Article |
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Graphical abstract
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Graphical abstract
Electrophoretic mobility of a sphere with a slip surface in a concentrated suspension</description><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Complex Fluids and Microfluidics</subject><subject>Drops (liquids)</subject><subject>Electrical resistivity</subject><subject>Electrokinetics</subject><subject>Electrophoresis</subject><subject>Food Science</subject><subject>Hydrophobicity</subject><subject>Nanotechnology and Microengineering</subject><subject>Original Contribution</subject><subject>Physical Chemistry</subject><subject>Polymer Sciences</subject><subject>Sedimentation</subject><subject>Slip</subject><subject>Soft and Granular Matter</subject><subject>Zeta 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Hiroyuki</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electrokinetics of spherical colloidal particles with a slip surface in a concentrated suspension</atitle><jtitle>Colloid and polymer science</jtitle><stitle>Colloid Polym Sci</stitle><date>2020-12-01</date><risdate>2020</risdate><volume>298</volume><issue>12</issue><spage>1679</spage><epage>1684</epage><pages>1679-1684</pages><issn>0303-402X</issn><eissn>1435-1536</eissn><abstract>A theory is developed of the electrophoresis of a spherical colloidal particle with a slip surface in a concentrated suspension on the basis of Kuwabara’s cell model. We introduce the slipping length on the particle surface, which is the measure of the particle surface hydrophobicity. We derive the general expression of the particle electrophoretic mobility and its approximate analytic expressions for a particle carrying a low zeta potential. Expressions for other electrokinetics, that is, electrical conductivity, sedimentation velocity, and potential in concentrated suspensions, are also derived. Furthermore, it is shown that as in the case of a dilute suspension, a similarity is found between the electrokinetics of charged spherical solid particles with a slip surface in a concentrated suspension and that for liquid drops.
Graphical abstract
Electrophoretic mobility of a sphere with a slip surface in a concentrated suspension</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s00396-020-04755-9</doi><tpages>6</tpages></addata></record> |
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| ispartof | Colloid and polymer science, 2020-12, Vol.298 (12), p.1679-1684 |
| issn | 0303-402X 1435-1536 |
| language | eng |
| recordid | cdi_proquest_journals_2471693749 |
| source | Springer Journals |
| subjects | Characterization and Evaluation of Materials Chemistry Chemistry and Materials Science Complex Fluids and Microfluidics Drops (liquids) Electrical resistivity Electrokinetics Electrophoresis Food Science Hydrophobicity Nanotechnology and Microengineering Original Contribution Physical Chemistry Polymer Sciences Sedimentation Slip Soft and Granular Matter Zeta potential |
| title | Electrokinetics of spherical colloidal particles with a slip surface in a concentrated suspension |
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