Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Letter
Temperature Effect on the Synthesis of Gibbsite and Boehmite
Hoik LeeYangjun JeonSang Uck LeeDaewon Sohn
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2013 Volume 42 Issue 12 Pages 1463-1465

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Abstract

To investigate the temperature dependency of gibbsite and boehmite formation, the Gibbs free energy change (ΔG) was calculated at different temperatures. Calculated Gibbs free energy shows a positive value at 323 K, and gibbsite formation is preferred. On the other hand, it shows a negative ΔG value at 371 K, and boehmite formation is preferred. These predictions were characterized by transmittance electron microscopy and X-ray diffraction.

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© 2013 The Chemical Society of Japan
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