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Preparation and Characterization of Aluminum Lithium Hydroxide Carbonate Hydrate Obtained From Basic Aluminum Sulfate

Published online by Cambridge University Press:  31 January 2012

César A. C. Soto ,
Aurora P. Delgado ,
Esthela R. Ramírez  and
Veridiana R. Zamudio
César A. C. Soto
Affiliation:
Universidad de Guanajuato, Departamento de Química, Noria alta s/n, Col. Noria alta, Guanajuato, Gto., C.P. 36050, México. E-mail: [email protected]
Aurora P. Delgado
Affiliation:
Universidad de Guanajuato, Departamento de Química, Noria alta s/n, Col. Noria alta, Guanajuato, Gto., C.P. 36050, México. E-mail: [email protected]
Esthela R. Ramírez
Affiliation:
Universidad de Guanajuato, Departamento de Química, Noria alta s/n, Col. Noria alta, Guanajuato, Gto., C.P. 36050, México. E-mail: [email protected]
Veridiana R. Zamudio
Affiliation:
Universidad de Guanajuato, Departamento de Química, Noria alta s/n, Col. Noria alta, Guanajuato, Gto., C.P. 36050, México. E-mail: [email protected]
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Abstract

Aluminum lithium hydroxide carbonate hydrate, also known as Al-Li double hydroxide or Al-Li hydrotalcite-like compound [Al2Li(OH)6]2CO3•nH2O, was prepared from basic aluminum sulfate. This compound was prepared by precipitation in homogeneous solution of an aluminum bisulfite solution. A sodium aluminate aqueous solution was prepared by dissolving basic aluminum sulfate in 1M sodium hydroxide. The Al-Li double hydroxide was obtained after addition of lithium carbonate satured solution to the sodium aluminate solution, at 60 °C. The synthesized powder was characterized by thermal analysis (TG, DTG and DTA), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). By this method crystalline Li-Al hydrotalcite like compound with composition near to Al4Li2(OH)12CO3 •3H2O was obtained.

Keywords

Chemical synthesisThermogravimetric analysis (TGA)Scanning electron microscopy (SEM)Transmission electron microscopy (TEM)
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1372: Symposium S3 – Structural and Chemical Characterization of Metal Alloys and Compounds—2011 , 2012 , imrc-1372-s3-47
Copyright
Copyright © Materials Research Society 2012

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References

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