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Powder X-ray data for the ammonium trioxalatoaluminate (III) and its hydrates: (NH4Al(C2O4)3·xH2O, x=0,2,3

Published online by Cambridge University Press:  10 January 2013

Mohamed Ezahri ,
Georges Coffy  and
Bernard F. Mentzen
Mohamed Ezahri
Affiliation:
Laboratoire de Physico-Chimie Minérale, URA n°. 116 du CNRS, Université Claude-Bernard, LYON 1, 43 Bd du 11 Novembre 1918, F-69622 Villeurbanne, Cedex, France
Georges Coffy
Affiliation:
Laboratoire de Physico-Chimie Minérale, URA n°. 116 du CNRS, Université Claude-Bernard, LYON 1, 43 Bd du 11 Novembre 1918, F-69622 Villeurbanne, Cedex, France
Bernard F. Mentzen
Affiliation:
Laboratoire de Physico-Chimie Minérale, URA n°. 116 du CNRS, Université Claude-Bernard, LYON 1, 43 Bd du 11 Novembre 1918, F-69622 Villeurbanne, Cedex, France
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Abstract

X-ray powder diffraction data are reported for the trihydrated (A3N), the dihydrated (A2N), and the anhydrous ammonium trioxalatoaluminate (III) (AN). A3N is triclinic with space group . A2N and AN are monoclinic with space groups P21/c and P21/n respectively. The stability domains are A3N: –7.8 to 86 °C; A2N: 86 to 102 °C; AN: 102 to 180 °C.

Keywords

ammonium trioxalatoaluminateshydratepowder diffraction data
Type
Research Article
Information
Powder Diffraction , Volume 10 , Issue 3 , September 1995 , pp. 195 - 197
Copyright
Copyright © Cambridge University Press 1995

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