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Structural and Morphological Transformations of the (NH4, Na)-exchanged Zeolites 4A, 13X and Synthetic Mordenite by Thermal Treatment

Cleo Kosanović ; Ruđer Bošković Institute, Bijenička 54, 10000 Zagreb, Croatia
Boris Subotić ; Ruđer Bošković Institute, Bijenička 54, 10000 Zagreb, Croatia
Alenka Ristić ; National Institute of Chemistry, Hajdrihova 19, p.p. 660, SI-1000 Ljubljana, Slovenia

Puni tekst: engleski, pdf (124 KB) str. 783-792 preuzimanja: 321* citiraj
APA 6th Edition
Kosanović, C., Subotić, B. i Ristić, A. (2002). Structural and Morphological Transformations of the (NH4, Na)-exchanged Zeolites 4A, 13X and Synthetic Mordenite by Thermal Treatment. Croatica Chemica Acta, 75 (3), 783-792. Preuzeto s https://hrcak.srce.hr/129321
MLA 8th Edition
Kosanović, Cleo, et al. "Structural and Morphological Transformations of the (NH4, Na)-exchanged Zeolites 4A, 13X and Synthetic Mordenite by Thermal Treatment." Croatica Chemica Acta, vol. 75, br. 3, 2002, str. 783-792. https://hrcak.srce.hr/129321. Citirano 25.02.2021.
Chicago 17th Edition
Kosanović, Cleo, Boris Subotić i Alenka Ristić. "Structural and Morphological Transformations of the (NH4, Na)-exchanged Zeolites 4A, 13X and Synthetic Mordenite by Thermal Treatment." Croatica Chemica Acta 75, br. 3 (2002): 783-792. https://hrcak.srce.hr/129321
Harvard
Kosanović, C., Subotić, B., i Ristić, A. (2002). 'Structural and Morphological Transformations of the (NH4, Na)-exchanged Zeolites 4A, 13X and Synthetic Mordenite by Thermal Treatment', Croatica Chemica Acta, 75(3), str. 783-792. Preuzeto s: https://hrcak.srce.hr/129321 (Datum pristupa: 25.02.2021.)
Vancouver
Kosanović C, Subotić B, Ristić A. Structural and Morphological Transformations of the (NH4, Na)-exchanged Zeolites 4A, 13X and Synthetic Mordenite by Thermal Treatment. Croatica Chemica Acta [Internet]. 2002 [pristupljeno 25.02.2021.];75(3):783-792. Dostupno na: https://hrcak.srce.hr/129321
IEEE
C. Kosanović, B. Subotić i A. Ristić, "Structural and Morphological Transformations of the (NH4, Na)-exchanged Zeolites 4A, 13X and Synthetic Mordenite by Thermal Treatment", Croatica Chemica Acta, vol.75, br. 3, str. 783-792, 2002. [Online]. Dostupno na: https://hrcak.srce.hr/129321. [Citirano: 25.02.2021.]

Sažetak
Thermal treatment of (NH4, Na)-exchanged zeolites 4A and 13X results in the formation of an amorphous phase (T < 1000 °C) and a crystalline phase of mullite at temperatures above 1000 °C. No structural changes have been noticed for the (NH4, Na)-exchanged synthetic mordenite treated under the same conditions. Scanning electron microscopy (SEM), X-ray powder diffraction, Fourier transform infrared (FT-IR) spectroscopy and particle size analysis were used to characterize the initial materials and the obtained products.

Ključne riječi
ion exchanged zeolites; thermal transformations; pseudomorphic transformation; mullite

Hrčak ID: 129321

URI
https://hrcak.srce.hr/129321

Posjeta: 456 *