Mössbauer studies of ferrous-a zeolite. Part 1.-Adsorption/desorption of water

Bruce L. Dickson; Lovat V C Rees

doi:10.1039/F19747002038

Mössbauer studies of ferrous-a zeolite. Part 1.-Adsorption/desorption of water

Bruce L. Dickson, Lovat V C Rees^*

^*Corresponding author for this work

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

33 Citations (Scopus)

Abstract

Ferrous ions have been ion exchanged into A zeolite. The ferrous ions in the dehydrated form of the zeolite give an isomer shift of 1.08 mm s ^-1 and a temperature independent quadrupole splitting of 0.46 mm s^-1. The ferrous ions are shown to be located in the sodalite window site with 3-fold coordination to lattice oxygens. In the partially hydrated zeolite two species of iron are seen in the Mössbauer spectra. Temperature studies show these two sites to be related by an equilibrium process, which is interpreted as the dissociation of a water molecule attached to a ferrous ion to give a hydroxyl group.

Original language	English
Pages (from-to)	2038-2050
Number of pages	13
Journal	Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
Volume	70
DOIs	https://doi.org/10.1039/F19747002038
Publication status	Published - 1974

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abstract = "Ferrous ions have been ion exchanged into A zeolite. The ferrous ions in the dehydrated form of the zeolite give an isomer shift of 1.08 mm s -1 and a temperature independent quadrupole splitting of 0.46 mm s-1. The ferrous ions are shown to be located in the sodalite window site with 3-fold coordination to lattice oxygens. In the partially hydrated zeolite two species of iron are seen in the M{\"o}ssbauer spectra. Temperature studies show these two sites to be related by an equilibrium process, which is interpreted as the dissociation of a water molecule attached to a ferrous ion to give a hydroxyl group.",

author = "Dickson, {Bruce L.} and Rees, {Lovat V C}",

year = "1974",

doi = "10.1039/F19747002038",

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AU - Dickson, Bruce L.

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Y1 - 1974

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AB - Ferrous ions have been ion exchanged into A zeolite. The ferrous ions in the dehydrated form of the zeolite give an isomer shift of 1.08 mm s -1 and a temperature independent quadrupole splitting of 0.46 mm s-1. The ferrous ions are shown to be located in the sodalite window site with 3-fold coordination to lattice oxygens. In the partially hydrated zeolite two species of iron are seen in the Mössbauer spectra. Temperature studies show these two sites to be related by an equilibrium process, which is interpreted as the dissociation of a water molecule attached to a ferrous ion to give a hydroxyl group.

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ER -

Mössbauer studies of ferrous-a zeolite. Part 1.-Adsorption/desorption of water

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