The effect of dehydration on the position of cesium cations in the structure of CsNaFAU(Y) studied by powder X-ray diffraction and magic-angle spinning NMR spectroscopy

O. A. Ponomareva, P. A. Kots, Yu G. Kolyagin, V. V. Chernyshev, I. I. Ivanova

Research output: Contribution to journalArticlepeer-review

Abstract

The influence of dehydration on the position of sodium and cesium cations obtained by ion exchange in the structure of FAU(Y) was studied by powder X-ray diffraction using synchrotron radiation and 23Na and 133Cs magic-angle spinning NMR spectroscopy. The sodium and cesium cations were found to be mobile in the hydrated samples. In dehydrated zeolites CsNaFAU(Y), cesium is predominantly localized in four crystallographic ion-exchange positions located in the large cavities and sodalite cages.

Original languageEnglish (US)
Pages (from-to)2021-2027
Number of pages7
JournalRussian Chemical Bulletin
Volume66
Issue number11
DOIs
StatePublished - Nov 1 2017

Keywords

  • cesium
  • FAU(Y)
  • ion exchange
  • magic-angle spinning NMR spectroscopy
  • powder X-ray diffraction

ASJC Scopus subject areas

  • General Chemistry

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