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A new route of synthesis of Na-Mica-4 from sodalite


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Opened Access A new route of synthesis of Na-Mica-4 from sodalite

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Author: Naranjo Muñoz, Moisés
Castro Arroyo, Miguel Ángel
Cota Reguero, Agustín
Pavón González, Esperanza
Pazos Zarama, Mery Carolina
Alba Carranza, María Dolores
Department: Universidad de Sevilla. Departamento de Química Inorgánica
Date: 2014
Published in: Microporous and Mesoporous Materials, 186, 176-180.
Document type: Article
Abstract: Synthesis of Na-Mica-4 has been achieved by a ``mix and calcine¿¿ method using sodalite and magnesium fluoride as the only precursors. Previous research found sodalite as a key intermediate reaction product in the formation of Na-Mica-4 when the NaCl melt method was employed. Similarities in structure, chemical composition and cation distribution in products using the proposed method and the NaCl melt method are described and suggest that Na-Mica-4 is a very stable product. The use of sodalite as precursor provokes microporous formation in the final mica. The absence of excess Na leads to a lower particle size and to the presence of less impurity in the calcined product. Different sodalites could be used in the synthesis of different Na-Mica-4 with presumably different physicochemical properties
Cite: Naranjo Muñoz, M., Castro Arroyo, M.Á., Cota Reguero, A., Pavón González, E., Pazos Zarama, M.C. y Alba Carranza, M.D. (2014). A new route of synthesis of Na-Mica-4 from sodalite. Microporous and Mesoporous Materials, 186, 176-180.
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DOI: 10.1016/j.micromeso.2013.12.004

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