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Preparation and Characterization of a New Layered Magnesium Phosphate: MgHPO4 · 1.2H2O

✍ Scribed by J. Chen; S. Natarajan; P.A. Wright; R.H. Jones; J.M. Thomas; C.R.A. Catlow; R.P. Townsend

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
144 KB
Volume
103
Category
Article
ISSN
0022-4596

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✦ Synopsis

A new hydrated phosphate of magnesium with a layered structure was prepared hydrothermally under mild conditions. Provided it is not heated beyond (200^{\circ} \mathrm{C}), this solid undergoes reversible dehydrationrehydration with the layered structure remaining intact. The as-prepared precursor is orthorhombic (\left(a=9.274, b=8.053\right.), and (c=10.920 \AA) ), the likely space group being (P 2_{1} 2_{1} 2). At ca. (500^{\circ} \mathrm{C}), the compound transforms to (\mathrm{Mg}{2} \mathrm{P}{2} \mathrm{O}_{7}). (\quad 1993) Acadernic Press. Inc.

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