Characterization and thermal behavior of kaolin

The decomposition behavior of kaolin samples has been carried out by simultaneous TG–DTA experiments. New layer-structure formation during the calcination process was found, and metakaolin compound was detected between 600 and 900 °C. The thermal stability of kaolin samples was then identified by TG...

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Veröffentlicht in:	Journal of thermal analysis and calorimetry 2011-07, Vol.105 (1), p.157-160
Hauptverfasser:	Wang, Hongyan, Li, Chunshan, Peng, Zhijian, Zhang, Suojiang
Format:	Artikel
Sprache:	eng
Schlagworte:	Adsorption Analytical Chemistry Calcination Calorimetry Chemistry Chemistry and Materials Science Decomposition Diffraction Exact sciences and technology Inorganic Chemistry Inorganic chemistry and origins of life Kaolin Measurement Science and Instrumentation Miscellaneous Physical Chemistry Polymer Sciences Preparations and properties Scanning electron microscopy X-rays
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Beschreibung
Zusammenfassung:	The decomposition behavior of kaolin samples has been carried out by simultaneous TG–DTA experiments. New layer-structure formation during the calcination process was found, and metakaolin compound was detected between 600 and 900 °C. The thermal stability of kaolin samples was then identified by TG–DTA, and the results are confirmed by characterization of X-ray powder diffraction (XRD), N 2 adsorption (Brunauer-Emmet-Teller model, BET), and scanning electron microscopy (SEM).
ISSN:	1388-6150 1588-2926 1572-8943
DOI:	10.1007/s10973-011-1385-0