Uwins, Philippa J.R., Mackinnon, Ian D.R., Thompson, John G., & Yago, Anya J.E. (1993) Kaolinite-NMF intercalates. Clays and Clay Minerals, 41(6), pp. 707-717.
Bulk and size-fractionated kaolinites from seven localities in Australia as well as the Clay Minerals Society Source Clays Georgia KGa-1 and KGa-2 have been studied by X-ray diffraction (XRD), laser scattering, and electron microscopy in order to understand the variation of particle characteristics across a range of environments and to correlate specific particle characteristics with intercalation behavior. All kaolinites have been intercalated with N-methyl (NMF) after pretreatment with hydrazine hydrate, and the relative efficiency of intercalation has been determined using XRD. Intercalate yields of kaolinite: NMF are consistently low for bulk samples that have a high proportion of small-sized particles (i.e., <0.5 µm) and for biphased kaolinites with a high percentage (>60%) of low-defect phase. In general, particle size appears to be a more significant controlling factor than defect distribution in determining the relative yield of kaolinite: NMF intercalate.
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|Item Type:||Journal Article|
|Additional Information:||GeoRef, Copyright 2009, American Geological Institute.
|Keywords:||clay mineralogy, crystal structure, defects, kaolinite, SEM data, sheet silicates, synthesis, X-ray diffraction data|
|Subjects:||Australian and New Zealand Standard Research Classification > EARTH SCIENCES (040000) > GEOLOGY (040300) > Mineralogy and Crystallography (040306)|
|Divisions:||Current > Institutes > Institute for Future Environments|
|Deposited On:||30 Jan 2013 04:16|
|Last Modified:||30 Jan 2013 04:16|
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