ISSN print edition: 0366-6352
ISSN electronic edition: 1336-9075
Registr. No.: MK SR 9/7

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Vibrational spectra in far infrared region of natural zeolites of the natrolite group

F. Pechar

Institute of Geology and Geotechnics, Czechoslovak Academy of Sciences, 182 09 Prague


Abstract: The spectra of the cation-O vibrations of selected types of zeolites of the natrolite group (natrolite, mesolite, and scolecite) were measured in far IR region in the range of wavenumbers 50-400 cm-1. The samples were prepd. at Θ/°C: 23, 100, 200, 300, and 400 and the spectra were taken under normal lab. conditions. The wavenumbers were assigned to the Na...O, K...O, and Ca...O vibrations in individual investigated minerals on the basis of the change in content of the Na+, K+, and Ca2+ cations and on the basis of literature data. The wavenumbers obtained from spectra are approx. governed by the expression ν = C/m1/2 R3/2 which was taken from literature.

Full paper in Portable Document Format: 366a773.pdf


Chemical Papers 36 (6) 773–777 (1982)

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