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GEOREF RECORD

Arrangement of n-alkylammonium ions in phlogopite and vermiculite; an XRD and TEM study

Hojatollah Vali, Reinhard Hesse and Hideomi Kodama
Arrangement of n-alkylammonium ions in phlogopite and vermiculite; an XRD and TEM study
Clays and Clay Minerals (April 1992) 40 (2): 240-245

Abstract

The different response of muscovite and phlogopite to alkylammonium treatment shows that the mechanism of alkylammonium exchange in mica-like 2:1 layer silicates is controlled more by structural type than by layer charge and K-content. Estimation of layer charge from a single alkyl chain is inadequate for the characterization of high-charge expandable minerals. Distinction of vermiculite in soils and sediments from other 2:1 layer silicates that show a similar response to long alkyl chains (nc > 12) as vermiculite is possible by treating the sample with short alkyl chains (n (sub c) < 12).


ISSN: 0009-8604
Coden: CLCMAB
Serial Title: Clays and Clay Minerals
Serial Volume: 40
Serial Issue: 2
Title: Arrangement of n-alkylammonium ions in phlogopite and vermiculite; an XRD and TEM study
Affiliation: McGill Univ., Dep. Geol. Sci., Montreal, QC, Canada
Pages: 240-245
Published: 199204
Text Language: English
Publisher: Clay Minerals Society, Clarkson, NY, United States
References: 20
Accession Number: 1992-024680
Categories: Sedimentary petrology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: charts
Secondary Affiliation: CEF, Agric. Can., CAN, Canada
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United KingdomTwickenhamUKUnited Kingdom
Update Code: 1992
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