Synthesis and characterization of Cu-Al layered double hydroxides

被引：46
|
作者：
Lwin, Y [1 ]
Yarmo, MA
Yaakob, Z
Mohamad, AB
Daud, WRW
机构：
[1] Univ Kebangsaan Malaysia, Dept Chem & Proc Engn, Fac Engn, Bangi 43600, Selangor DE, Malaysia
[2] Univ Kebangsaan Malaysia, Sch Chem Sci & Food Technol, Fac Sci & Technol, Bangi 43600, Selangor DE, Malaysia
来源：
MATERIALS RESEARCH BULLETIN | 2001年 / 36卷 / 1-2期
关键词：
layered compounds; chemical synthesis; X-ray diffraction; thermogravimetric analysis (TGA);
D O I：
10.1016/S0025-5408(01)00491-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A series of Cu-Al hydrotalcite-like layered compounds has been synthesized by coprecipitation using metal nitrate precursors and sodium carbonate. The Cu/Al atomic ratio was varied between 0.5 and 4. The dried precipitates were characterized by powder X-ray diffraction (XRD) and thermogravimetric analysis (TGA). The crystalline hydrotalcite-like phase was present as major component in all precipitates, the first time such crystalline phase was observed in the precipitates of the constituent metals ratio as low as 0.5. The malachite phase was also observed in variable amounts, and it became amorphous at low copper content. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：193 / 198
页数：6
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