Detection of nonequivalent Si sites in sepiolite and palygorskite by solid-state 29Si magic angle spinning-nuclear magnetic resonance.

S. Komarneni; C. A. Fyfe; G. J. Kennedy

doi:10.1346/CCMN.1986.0340113

Detection of nonequivalent Si sites in sepiolite and palygorskite by solid-state ²⁹Si magic angle spinning-nuclear magnetic resonance.

S. Komarneni, C. A. Fyfe, G. J. Kennedy

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35 Scopus citations

Abstract

Chemical analyses and ²⁷Al and ²⁹Si magic-angle-spinning NMR spectra are presented for four sepiolites and a palygorskite (attapulgite). The results show that at least three or four specific crystallographically non-equivalent tetrahedral sites exist in sepiolite and that at least two such sites exist in palygorskite. -R.A.H.

Original language	English (US)
Pages (from-to)	99-102
Number of pages	4
Journal	Clays & Clay Minerals
Volume	34
Issue number	1
DOIs	https://doi.org/10.1346/CCMN.1986.0340113
State	Published - 1986

All Science Journal Classification (ASJC) codes

Water Science and Technology
Soil Science
Geochemistry and Petrology
Earth and Planetary Sciences (miscellaneous)

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10.1346/CCMN.1986.0340113

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title = "Detection of nonequivalent Si sites in sepiolite and palygorskite by solid-state 29Si magic angle spinning-nuclear magnetic resonance.",

abstract = "Chemical analyses and 27Al and 29Si magic-angle-spinning NMR spectra are presented for four sepiolites and a palygorskite (attapulgite). The results show that at least three or four specific crystallographically non-equivalent tetrahedral sites exist in sepiolite and that at least two such sites exist in palygorskite. -R.A.H.",

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year = "1986",

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AU - Komarneni, S.

AU - Fyfe, C. A.

AU - Kennedy, G. J.

PY - 1986

Y1 - 1986

N2 - Chemical analyses and 27Al and 29Si magic-angle-spinning NMR spectra are presented for four sepiolites and a palygorskite (attapulgite). The results show that at least three or four specific crystallographically non-equivalent tetrahedral sites exist in sepiolite and that at least two such sites exist in palygorskite. -R.A.H.

AB - Chemical analyses and 27Al and 29Si magic-angle-spinning NMR spectra are presented for four sepiolites and a palygorskite (attapulgite). The results show that at least three or four specific crystallographically non-equivalent tetrahedral sites exist in sepiolite and that at least two such sites exist in palygorskite. -R.A.H.

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Detection of nonequivalent Si sites in sepiolite and palygorskite by solid-state ²⁹Si magic angle spinning-nuclear magnetic resonance.

Abstract

All Science Journal Classification (ASJC) codes

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