On the synthesis of nitrate enclathrated sodalite in organic solvents

Research output: Contribution to journal › Article › Research › peer review

Authors

  • M. Fechtelkord
  • B. Posnatzki
  • J. Chr Buhl

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Details

Original languageEnglish
Pages (from-to)334-342
Number of pages9
JournalZeolites
Volume19
Issue number5-6
Publication statusPublished - Nov 1997

Abstract

Hydrothermal synthesis of sodalite has been investigated in the system NaOCH3-2SiO2-Al2O3-NaNO 3-(CH3OH, C5H11OH) at temperatures of 423 K and 473 K. For the first time the organic solvents methanol or pentanol together with sodium methylate as base were used besides common inorganic educts as Si/Al source and sodium nitrate salt. The sodalites have been characterized by X-ray powder diffraction, as well as by 29Si, 23Na MAS NMR, and 23Na DOR NMR measurements. IR-FT spectroscopy shows the successful enclathration of nitrate anions in the β-cages of sodalite. Reaction products of the solvent/base have been identified by {1H} 13C CPMAS NMR and 1H MAS NMR. Scanning-electron micrographs show crystals larger than 15 μm grown at 473 K in pentanol.

Keywords

    Hydrothermal synthesis, MAS and DOR NMR spectroscopy, Nitrate sodalite, Organic solvents

ASJC Scopus subject areas

Cite this

On the synthesis of nitrate enclathrated sodalite in organic solvents. / Fechtelkord, M.; Posnatzki, B.; Buhl, J. Chr.
In: Zeolites, Vol. 19, No. 5-6, 11.1997, p. 334-342.

Research output: Contribution to journal › Article › Research › peer review

Fechtelkord, M, Posnatzki, B & Buhl, JC 1997, 'On the synthesis of nitrate enclathrated sodalite in organic solvents', Zeolites, vol. 19, no. 5-6, pp. 334-342. https://doi.org/10.1016/S0144-2449(97)00098-5
Fechtelkord, M., Posnatzki, B., & Buhl, J. C. (1997). On the synthesis of nitrate enclathrated sodalite in organic solvents. Zeolites, 19(5-6), 334-342. https://doi.org/10.1016/S0144-2449(97)00098-5
Fechtelkord M, Posnatzki B, Buhl JC. On the synthesis of nitrate enclathrated sodalite in organic solvents. Zeolites. 1997 Nov;19(5-6):334-342. doi: 10.1016/S0144-2449(97)00098-5
Fechtelkord, M. ; Posnatzki, B. ; Buhl, J. Chr. / On the synthesis of nitrate enclathrated sodalite in organic solvents. In: Zeolites. 1997 ; Vol. 19, No. 5-6. pp. 334-342.
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AU - Fechtelkord, M.

AU - Posnatzki, B.

AU - Buhl, J. Chr

PY - 1997/11

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N2 - Hydrothermal synthesis of sodalite has been investigated in the system NaOCH3-2SiO2-Al2O3-NaNO 3-(CH3OH, C5H11OH) at temperatures of 423 K and 473 K. For the first time the organic solvents methanol or pentanol together with sodium methylate as base were used besides common inorganic educts as Si/Al source and sodium nitrate salt. The sodalites have been characterized by X-ray powder diffraction, as well as by 29Si, 23Na MAS NMR, and 23Na DOR NMR measurements. IR-FT spectroscopy shows the successful enclathration of nitrate anions in the β-cages of sodalite. Reaction products of the solvent/base have been identified by {1H} 13C CPMAS NMR and 1H MAS NMR. Scanning-electron micrographs show crystals larger than 15 μm grown at 473 K in pentanol.

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