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A Study of the Mn, Co and Ni Environment in the As-synthesized and Rehydrated-calcined Aluminophosphate with Chabazite-like Topology

Nevenka Rajić ; National Institute of Chemistry, Hajdrihova 19, 1000 Ljubljana, Slovenia
Iztok Arčon ; School of Environmental Sciences, 5001 Nova Gorica, Slovenia
Venčeslav Kaučič ; National Institute of Chemistry, Hajdrihova 19, 1000 Ljubljana, Slovenia
Alojz Kodre ; Department of Physics, Faculty of Mathematics and Physics, University of Ljubljana, 1000 Ljubljana, Slovenia

Puni tekst: engleski, pdf (302 KB) str. 645-661 preuzimanja: 258* citiraj
APA 6th Edition
Rajić, N., Arčon, I., Kaučič, V. i Kodre, A. (1999). A Study of the Mn, Co and Ni Environment in the As-synthesized and Rehydrated-calcined Aluminophosphate with Chabazite-like Topology. Croatica Chemica Acta, 72 (2-3), 645-661. Preuzeto s https://hrcak.srce.hr/132260
MLA 8th Edition
Rajić, Nevenka, et al. "A Study of the Mn, Co and Ni Environment in the As-synthesized and Rehydrated-calcined Aluminophosphate with Chabazite-like Topology." Croatica Chemica Acta, vol. 72, br. 2-3, 1999, str. 645-661. https://hrcak.srce.hr/132260. Citirano 03.04.2020.
Chicago 17th Edition
Rajić, Nevenka, Iztok Arčon, Venčeslav Kaučič i Alojz Kodre. "A Study of the Mn, Co and Ni Environment in the As-synthesized and Rehydrated-calcined Aluminophosphate with Chabazite-like Topology." Croatica Chemica Acta 72, br. 2-3 (1999): 645-661. https://hrcak.srce.hr/132260
Harvard
Rajić, N., et al. (1999). 'A Study of the Mn, Co and Ni Environment in the As-synthesized and Rehydrated-calcined Aluminophosphate with Chabazite-like Topology', Croatica Chemica Acta, 72(2-3), str. 645-661. Preuzeto s: https://hrcak.srce.hr/132260 (Datum pristupa: 03.04.2020.)
Vancouver
Rajić N, Arčon I, Kaučič V, Kodre A. A Study of the Mn, Co and Ni Environment in the As-synthesized and Rehydrated-calcined Aluminophosphate with Chabazite-like Topology. Croatica Chemica Acta [Internet]. 1999 [pristupljeno 03.04.2020.];72(2-3):645-661. Dostupno na: https://hrcak.srce.hr/132260
IEEE
N. Rajić, I. Arčon, V. Kaučič i A. Kodre, "A Study of the Mn, Co and Ni Environment in the As-synthesized and Rehydrated-calcined Aluminophosphate with Chabazite-like Topology", Croatica Chemica Acta, vol.72, br. 2-3, str. 645-661, 1999. [Online]. Dostupno na: https://hrcak.srce.hr/132260. [Citirano: 03.04.2020.]

Sažetak
Diffuse-reflectance spectroscopy (DRS), X-ray absorption near-edge structure (XANES) and extended X-ray absorption fine structure (EXAFS) methods are applied to an investigation of Mn, Co and Ni local environments in MnAlPO, CoAlPO, and NiAlPO materials with chabazite-like topology. For all three products, insertion of the transition metals into tetrahedral Al-sites has been found. Calcination and rehydration of the as-synthesised materials cause a change of the oxidation number and co-ordination geometry of Mn and Co, while the oxidation and co-ordination number of Ni remain unaffected.

Ključne riječi
aluminophosphates; molecular sieves; MAPO-34; chabazite-like; EXAFS, XANES; diffuse reflectance spectroscopy

Hrčak ID: 132260

URI
https://hrcak.srce.hr/132260

Posjeta: 381 *