The urea method for the direct synthesis of ZnAl layered double hydroxides with nitrate as the interlayer anion

被引：104
|
作者：
Inayat, Alexandra [1 ]
Klumpp, Michael [1 ]
Schwieger, Wilhelm [1 ]
机构：
[1] Univ Erlangen Nurnberg, Chair Chem React Engn, D-91058 Erlangen, Germany
来源：
APPLIED CLAY SCIENCE | 2011年 / 51卷 / 04期
关键词：
Layered double hydroxides; Hydrotalcite-like materials; Synthesis of nitrate form; Urea method; Precipitation from homogeneous solution; XRD pattern; HYDROTALCITE; EXCHANGE; CRYSTALLINITY; CLAYS; SIZE;
D O I：
10.1016/j.clay.2011.01.008
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
ZnAl layered double hydroxides (LDHs) with nitrate as the charge balancing anion in the interlayer space were synthesized by precipitation from homogeneous solution using urea hydrolysis. The composition of the synthesis mixture and the synthesis time were varied in order to identify the parameters, which control if nitrate or carbonate will be the interlayer anion. Especially, the addition of ammonium nitrate turned out to be an effective tool for the synthesis of nitrate containing ZnAl LDHs independent from the synthesis time. Results are mainly based on powder X-ray diffraction measurements of the obtained samples. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：452 / 459
页数：8
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