ADSORPTION OF DEXTRANS ON SPHERICAL TIO2 PARTICLES

被引：8

作者：

LI, Y ^{[1
]}

SPENCER, HG ^{[1
]}

机构：

[1] CLEMSON UNIV,DEPT CHEM,CLEMSON,SC 29634

来源：

COLLOIDS AND SURFACES | 1992年 / 66卷 / 03期

关键词：

DEXTRAN ADSORPTION; IONIC STRENGTH; MOLECULAR MASS; PHOSPHATE EFFECTS; TITANIA;

D O I：

10.1016/0166-6622(92)80192-5

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 [物理化学]; 081704 [应用化学];

摘要：

The adsorption of dextrans of three molecular masses on TiO2 (anatase) was investigated. The effects of ionic strength, dihydrogenphosphate and urea on the adsorption of dextran were determined. The insensitivity of the dextran adsorption to pH over the range 4 to 10, the reduction of adsorption by increasing ionic strength and the competitive adsorption of dihydrogenphosphate are consistent with a ligand-exchange mechanism dominating the adsorption.

引用

收藏

页码：189 / 195

页数：7

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