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Birdwood kaolinite: a highly ordered kaolinite that is difficult to intercalate - an XRD, SEM and Raman spectroscopic study

Frost, Ray L., Van Der Gaast, Sjerry, Zbik, Marek, Kloprogge, J. Theo, & Paroz, Gina N. (2002) Birdwood kaolinite: a highly ordered kaolinite that is difficult to intercalate - an XRD, SEM and Raman spectroscopic study. Applied Clay Science, 20(4-5), pp. 177-187.

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Abstract

The intercalation of a highly ordered kaolinite from Birdwood, South Australia has been studied using a combination of electron microscopy, X-ray diffraction and Raman microscopy. Highly ordered kaolinites normally intercalate easily and to a high degree. The kaolinite under study was found to intercalate acetamide and formamide with difficulty and more than 18 days were required to achieve more than 20 % intercalation. Further treatment did not improve the degree of intercalation past 60 %. The difficulty of intercalation is attributed to the co-existence of two kaolinite phases, a highly ordered (with a Hinckley index > 1.3) and a highly disordered kaolinite, the latter material appears to coat the highly ordered kaolinite thereby limiting the intercalation. The presence of two forms of silica and a dickite were identified in the sample using X-ray diffraction.

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22 citations in Web of Science®

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ID Code: 1326
Item Type: Journal Article
Keywords: acetamide, defect structure, disorder, SEM, formamide, intercalation, kaolinite, Raman spectroscopy, XRD
DOI: 10.1016/S0169-1317(01)00071-0
ISSN: 0169-1317
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > INORGANIC CHEMISTRY (030200)
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright 2002 Elsevier
Copyright Statement: Reproduced in accordance with the copyright policy of the publisher.
Deposited On: 18 May 2005
Last Modified: 09 Jun 2010 22:25

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