DONATOR ACCEPTOR BEHAVIOR OF AEROSIL IN SEVERAL ORGANIC LIQUIDS

被引：40

作者：

SPANGE, S ^{[1
]}

SIMON, F ^{[1
]}

HEUBLEIN, G ^{[1
]}

JACOBASCH, HJ ^{[1
]}

BORNER, M ^{[1
]}

机构：

[1] INST POLYMER TECHNOL DRESDEN,O-8010 DRESDEN,GERMANY

来源：

COLLOID AND POLYMER SCIENCE | 1991年 / 269卷 / 02期

关键词：

ZETA-POTENTIAL; DONATOR ACCEPTOR BEHAVIOR; SURFACE INTERACTION; AEROSIL; SILICA;

D O I：

10.1007/BF00660308

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Aerosil is studied with regards to its acceptor behavior by means of electro-kinetic measurements and UV measurements in various organic liquids. Whereas the values of the general negativ zeta-potential only approximately correspond with the donor number of the liquids determined according to Gutmann, Marie and Gal, and Kravtzov et al., an excellent agreement between zeta-potential and the UV maximum of a dicyano-bis(1,10-phenanthrolin)-ferric [Fe(phen)2(CN)2] complex adsorbed at the solid-liquid interface was found. The fact that traces of water decrease the negative zeta-potential of aearosil in organic liquids is attributed to hydration of the aerosil surface.

引用

页码：173 / 178

页数：6

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