GEL CHROMATOGRAPHIC STUDY OF THE POLYMERIZATION OF SILICIC-ACID

被引：37

作者：

SHIMADA, K

TARUTANI, T

机构：

[1] Department of Chemistry, Faculty of Science, Kyushu University 33, Fukuoka, 812, Hakozaki

来源：

JOURNAL OF CHROMATOGRAPHY | 1979年 / 168卷 / 02期

关键词：

D O I：

10.1016/0021-9673(79)80010-2

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The polymerization of silic acid in the range from pH 9.5 to 1N hydrochloric acid has been studied by gel chromatography. A mechanism for the growth of particles of polysilicic acids is proposed. It is included that the growth of particles of polymers in the pH range 9.5-9 and below 2 is due mainly to the polymerization between monosilicic and polysilicic acids, and in the pH range 7-4 mainly to the random condensation with each other of all the polymer species. The growth rate of particles of polymers is maximal at pH 6.5-7. © 1979.

引用

页码：401 / 406

页数：6

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