水滑石的FTIR研究

IF 0.9 Q4 CHEMISTRY, MULTIDISCIPLINARY Acta Chimica Slovaca Pub Date : 2018-10-01 DOI:10.2478/acs-2018-0021
M. Mališová, M. Horňáček, J. Mikulec, P. Hudec, V. Jorík
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引用次数: 12

摘要

摘要本研究的目的是通过FTIR分析研究铝镁水滑石,并检测其煅烧后的结构差异。分析了三种类型的样品。前两个样品在结构中加入了钴,第三个样品含有镍和锌。采用共沉淀法制备水滑石,是制备水滑石最常用的方法之一。制备完成后,样品在150 ~ 750℃的温度下煅烧。比较了样品的煅烧温度;但如果样品中含有钴,则需要两个样品相互交换。在500-700 cm−1区域,在较高的煅烧温度下形成尖晶石结构,变化最为显著。
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FTIR study of hydrotalcite
Abstract The aim of the research was the study of aluminium-magnesium hydrotalcite by FTIR analysis and detection of differences in structure due to calcination. Three types of samples were analysed. In the first two samples, cobalt was added into the structure and the third sample contained nickel and zinc. Hydrotalcite was prepared by one of the most common methods of hydrotalcite preparation, co-precipitation. After preparation, the samples were calcined at temperatures from 150 °C to 750 °C. Samples were compared in terms of calcination temperature; but in case of samples containing cobalt, two samples to each other. The most significant changes were noticed in the 500–700 cm−1 region, where a spinel structure was formed at higher calcination temperatures.
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来源期刊
Acta Chimica Slovaca
Acta Chimica Slovaca CHEMISTRY, MULTIDISCIPLINARY-
自引率
12.50%
发文量
11
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