ELECTROKINETICS OF THE SILICA SOLUTION INTERFACE - A FLAT-PLATE STREAMING POTENTIAL STUDY

被引:316
作者
SCALES, PJ [1 ]
GRIESER, F [1 ]
HEALY, TW [1 ]
WHITE, LR [1 ]
CHAN, DYC [1 ]
机构
[1] UNIV MELBOURNE, DEPT MATH, PARKVILLE, VIC 3052, AUSTRALIA
关键词
D O I
10.1021/la00039a037
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Details for the construction of a flat plate streaming potential apparatus are presented. Measurements using this apparatus on fused silica slides are reported and analyzed on the basis of a Gouy-Chapman-Stern-Grahame (GCSG) model for the electrical double layer at the silica-aqueous solution interface. It is found that the GCSG model can only partly account for the experimental results. Possible reasons for the discrepancy between experiment and theory are discussed.
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页码:965 / 974
页数:10
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