Johnson, G. M., Mead, P. J. and Weller, M. T.
Synthesis of a range of anion-containing gallium and germanium sodalites
Microporous and Mesoporous Materials, 38, (2-3), . (doi:10.1016/S1387-1811(00)00169-4).
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The introduction of gallium and germanium into the sodalite framework has been achieved by hydrothermal and low temperature solution routes for a wide range of anions. This yields materials of general composition Na-8[ABO(4)](6).X-2, where A = Al and Ga, B = Si and Ge, and X includes Cl-, Br-, I-, (ClO3)(-), (BrO3)(-), (HCOO)(-), (MnO4)(-), (SCN)(-) and (SeCN)(-). Lithium and potassium exchanged derivatives of certain sodalites have also been prepared via reaction in nitrate melts. Intra-cage reactions performed on selected samples have permitted the preparation of such species as aluminogermanate sulphur and selenium ultramarines. Products have been characterised by powder X-ray and neutron diffraction, infra-red, Raman and magic angle spinning nuclear magnetic resonance spectroscopy, thermogravimetric analysis and flame photometry.
|Digital Object Identifier (DOI):
||synthesis, sodalite, gallium, germanium, cation exchange, intra-cage
modificationaluminosilicate-sodalites, gallosilicate, nitrite, diffraction, cancrinite, oxidation, zeolite, br
|1 August 2000||Published|
||20 Dec 2005
||16 Apr 2017 23:08
|Further Information:||Google Scholar|
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