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  Home > JCE Print > Journal of Chemical Education > Issues > 2002  > September  >
In the Laboratory
Preparation and Characterization of Bayerite Samples: Use of Diffuse Reflectance Infrared Spectroscopy to Monitor Purification
Nsoki Phambu
Department of Chemistry, Johnson C. Smith University, Charlotte, NC 28216

Bernard Humbert and Andre Burneau
Laboratoire de Chimie Physique pour l'Environnement, Nancy, France

Cover
September 2002
Vol. 79 No. 9
p. 1117
Abstract
We show here how bayerite, a polymorphic form of aluminum trihydroxides, can be synthesized and characterized by simple spectroscopic methods. Purification of the product by washing with water can be monitored by diffuse reflectance infrared spectra. A product with extremely high purity is obtained after repeated washings.
Supplement
A detailed description of the technique and instrumentation, instructorÕs notes, and a short presentation to be used in the prelab lectures are available.
*  Contents JCE2002p1117W.doc (Microsoft Word)
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JCE2002p1117W.sit

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*  Citation
 Phambu, Nsoki; Humbert, Bernard; Burneau, Andre. J. Chem. Educ. 2002 79 1117.
*  Keywords
 Aluminum; Industrial Chemistry; Inorganic Chemistry; IR Spectroscopy; Physical Chemistry; Quantum Chemistry; Raman Spectroscopy
*  History
 Created:
Last Updated:		 August 12, 2002
March 16, 2005
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