Changes upon heating of the distribution of Al, P and Si atoms in the SAPO-37 molecular sieve

Autor:	Peltre, M. J., Man, P. P., Briend, M., Derewinski, M., Barthomeuf, D.
Zdroj:	Catalysis Letters; March 1992, Vol. 16 Issue: 1-2 p123-128, 6p
Abstrakt:	A drastic change in the environment of Si atoms in SAPO-37 after heating at 1173 K is seen in the29Si MAS NMR spectrum. This suggests a modification of the location of Si, Al and P atoms. Three main phases would coexist in large amounts in the faujasite structure, the SAPO-37 originating phase, pure SiO4 islands and an aluminosilicate phase comparable to Si-Al faujasite.
Databáze:	Supplemental Index
Externí odkaz:	Zobrazit plný text záznamu Full text from SpringerLink