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The role of additional anions in microporous aluminosilicates with cancrinite-type framework |
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| Authors: | N V Chukanov V V Nedelko L N Blinova L A Korshunova L V Olysych I S Lykova I V Pekov J C Buhl W Depmeier |
| Institution: | 1. Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Russia 2. Department of Geology, Moscow State University, Moscow, Russia 3. Department of Mineralogy, Munster University, Munster, Germany 4. Institut fur Geowissenschaften, Christian-Albrecht Universitat, Kiel, Germany |
| Abstract: | Microporous framework aluminosilicates with the cancrinite- and sodalite-type structures containing NO 3 ? , CO 3 2? , SO 4 2? and PO 4 3? , as extra-framework anions were synthesized under hydrothermal conditions at temperatures from 160 to 200°C. SO 4 2? exhibits the highest affinity to cancrinite structure at the competition of various X anions. Chemical composition, X-ray diffractometry characteristics, and IR spectra of the compounds obtained, as well as kinetics and mechanism of thermal transformations of nitrate counterpart of cancrinite, were studied. |
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