| Autor: |
Bobonich, F. M., Voloshina, Yu. G., Solomakha, V. N. |
| Zdroj: |
Theoretical and Experimental Chemistry; January 1996, Vol. 32 Issue: 1 p47-50, 4p |
| Abstrakt: |
It was shown that acid-resistant modifications of faujasite can be produced by its thermal treatment in silicon tetrafluoride vapor if the ratio of the atoms in the zeolite framework is increased as a result of such treatment to Si/Al = 12. At lower degrees of isomorphous substitution of the atoms. the faujasite crystal lattice is destroyed in a 5 M solution of hydrochloric acid as a result of the low acid resistance of the aluminum-oxygen tetrahedra of the zeolite and of the imperfections in its structure. |
| Databáze: |
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| Externí odkaz: |
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