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New Anion Exchangeable Layered Mixed Basic Salt, Ni1-xZn2x(OH)2(OCOCH3)2x·nH2O

Published online by Cambridge University Press:  28 February 2011

Shoji Yamanaka ,
Kazunari Ando  and
Masao Ohashi
Shoji Yamanaka
Affiliation:
Department of Applied Chemistry, Faculty of Engineering, Hiroshima University, Higashi-Hiroshima 724, Japan
Masao Ohashi
Affiliation:
Department of Computer Science and Electronic Engineering, Tokuyama College of Technology, Tokuyama 745, Japan
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Abstract

A new anion exchangeable layered compound with a composition of Ni1-xZn2x(OH)2(OCOCH3)2x·nH2O (0.15 < x < 0.25) was prepared by hydrothermal hydrolysis of Ni-Zn mixed acetate solutions. The structure is related to zinc basic salts such as Zn5(OH)8Cl2·nH2O and Zn5(OH)8Cl2·nH2O; nickel ions form brucite-type hydroxide layers with vacanciesNi1-x(OH)2, and zinc ions occupy the tetrahedral sites above and below the vacant sites outside the hydroxide layers. Acetate ions are weakly bound to the Zn2+ ions, completing the tetrahedra, and easily exchanged with most of inorganic as well as organic anions. The reactions are reversible. Exchange with [Si8O20]8- ions resulted in the formation of two-dimensional silicate layers analogous to those of 2:1 type clay minerals.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 371: Symposium W1 – Advances in Porous Materials , 1994 , 131
Copyright
Copyright © Materials Research Society 1995

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