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.
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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|Item Type:||Journal Article|
|Keywords:||acetamide, defect structure, disorder, SEM, formamide, intercalation, kaolinite, Raman spectroscopy, XRD|
|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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