PREPARATION, THERMAL-BEHAVIOR AND CHARACTERIZATION OF A ZINC-ALUMINUM-BROMATE LAMELLAR DOUBLE HYDROXIDE

被引：5

作者：

ELMALKI, K

DEROY, A

BESSE, JP

机构：

[1] Laboratoire de Physico-Chimie des Matériaux, URA 444

来源：

MATERIALS RESEARCH BULLETIN | 1993年 / 28卷 / 07期

关键词：

ZINC; ALUMINUM; BROMATES; CLAYS;

D O I：

10.1016/0025-5408(93)90110-Y

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A [Zn-Al] Lamellar Double Hydroxide intercalated with bromate anions was studied by TGA, FTIR and PXRD. This compound displays an unusual 1H stacking sequence for this kind of anionic species. By moderate heating (140-degrees-C), an expansion of the basal spacing from 9.29 angstrom to 9.52 angstrom is observed whereas with other interlamellar anions the structure habitually contracts by partial dehydration of the interlamellar domains. It is also shown that the bromate anions are never grafted on the hydroxylated framework.

引用

页码：667 / 673

页数：7

共 11 条

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