The influence of a hydrothermal treatment using microwave heating on the crystallinity of layered double hydroxides

被引：1
|
作者：
Möhmel, S [1 ]
Kurzawski, I [1 ]
Uecker, D [1 ]
Müller, D [1 ]
Gessner, W [1 ]
机构：
[1] Berlin Adlershof EV, Inst Appl Chem, D-12489 Berlin, Germany
来源：
CRYSTAL RESEARCH AND TECHNOLOGY | 2002年 / 37卷 / 04期
关键词：
layered double hydroxid (LDH); crystallinity; microwave heating; XRD; N-2; adsorption; DTA/TG; Al-27; NMR;
D O I：
暂无
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Differently synthesiscd layered double hydroxides (LDH) were characterised by using XRD, N-2 adsorption, DTA/TG and Al-27 NMR. The results of these investigations are discussed with respect to the crystallinity and purity of the material in dependence on the preparation method (without aging, aging at 20degreesC, aging under hydrothermal conditions using microwave heating). It is shown that microwave heating is a suitable method to prepare well crystallised LDH without impurities in the form of e.g. Mg(OH)(2) and Al(OH)(3) and with a sufficient specific surface area within acceptable times.
引用
收藏
页码：359 / 369
页数：11
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