<abstract xmlns="http://www.w3.org/1999/xhtml"><p>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<sup>−1</sup> region, where a spinel structure was formed at higher calcination temperatures.</p></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.

FTIR study of hydrotalcite

Department of Organic Technology, Catalysis and Petroleum Chemistry, Faculty of Chemical and Food Technology

Research Institute of Petroleum and Hydrocarbon Gases

Department of Inorganic Chemistry, Faculty of Chemical and Food Technology

Acta Chimica Slovaca

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"FTIR study of hydrotalcite"}

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...

FTIR study of hydrotalcite

Publié en ligne: 19 déc. 2018

Pages: 147 - 156

DOI: https://doi.org/10.2478/acs-2018-0021

Mots clés
hydrotalcite, FTIR, co-precipitation, catalyst, calcination

© 2018 Miroslava Mališová et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

FTIR study of hydrotalcite

Publié en ligne: 19 déc. 2018

Pages: 147 - 156

DOI: https://doi.org/10.2478/acs-2018-0021

Mots cléshydrotalcite, FTIR, co-precipitation, catalyst, calcination

© 2018 Miroslava Mališová et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
hydrotalcite, FTIR, co-precipitation, catalyst, calcination