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Digitale Medien

29Si MAS NMR investigations on the crystallization of nitrite-sodalite (1996)

Buhl, Josef-Christian ; Reich, Dirk ; Mundus, Carsten ; [weitere]

Springer

Reaction kinetics and catalysis letters 58 (1996), S. 13-18

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Details

ISSN: 1588-2837

Schlagwort(e): Sodalite ; hydrothermal synthesis ; crystallization kinetics ; MAS NMR

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie

Notizen: Abstract 29Si-MAS NMR spectroscopy has been proved to be a versatile tool to follow the reaction development from the signal ratio of the initial material and the crystallization product, if the spectra of both compounds could be clearly distinguished in each sample. On this basis the hydrothermal transformation of kaolinite into nitrite-sodalite Na8[AlSiO4]6(NO2)2 has been investigated at a temperature of 353 K. The crystallization process was followed in the mid-stage of crystal growth for times from 6 to 24 h. The role of carbonate impurities as well as the influence of the time of nitrite-salt addition to the reaction mixture have also been included in this experimental study.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF02071099

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