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Structural properties and crystallization kinetics of leucite and kalsilite from aluminosilicate amorphous precursors (CROSBI ID 569457)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Buljan, Iva ; Kosanović, Cleo ; Subotić, Boris ; Novak Tušar, Nataša ; Ristić, Alenka ; Gabrovšek, Roman ; Kaučič, Venčeslav Structural properties and crystallization kinetics of leucite and kalsilite from aluminosilicate amorphous precursors // Proceedings of 3rd Croatian-Slovenian Symposium on Zeolites / Antonić Jelić, Tatjana ; Zabukovec Logar, Nataša (ur.). Zagreb: Institut Ruđer Bošković, 2010. str. 47-50

Podaci o odgovornosti

Buljan, Iva ; Kosanović, Cleo ; Subotić, Boris ; Novak Tušar, Nataša ; Ristić, Alenka ; Gabrovšek, Roman ; Kaučič, Venčeslav

engleski

Structural properties and crystallization kinetics of leucite and kalsilite from aluminosilicate amorphous precursors

Kinetics of isothermal crystallization of tetragonal modification of leucite and hexagonal modification of kalsilite from differently prepared precipitated amorphous aluminosilicate precursors were investigated at three different temperatures. Kinetic analysis of the transformation processes have shown that the crystallization of leucite occurs in the same way as the crystallization of kalsilite and follows a pseudo-zero-rate kinetic equation. The apparent activation energies calculated by the Arrhenius equation were 373 kJ/mol for the crystallization of kalsilite and 403 kJ/mol for the crystallization of leucite, which is explained by different microstructure of the prepared precursors.

Kinetics ; Crystallization ; Leucite ; Kalsilite ; Amorphous aluminosilicates

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Podaci o prilogu

47-50.

2010.

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objavljeno

Podaci o matičnoj publikaciji

Proceedings of 3rd Croatian-Slovenian Symposium on Zeolites

Antonić Jelić, Tatjana ; Zabukovec Logar, Nataša

Zagreb: Institut Ruđer Bošković

Podaci o skupu

3rd Croatian-Slovenian Symposium on Zeolites

predavanje

16.09.2010-17.09.2010

Trogir, Hrvatska

Povezanost rada

Kemija