JCE Online: Journal of Chemical Education: August 2009: Cover


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Home > Journal of Chemical Education > Issues > 2009 > August >

August 2009 Featured on the Cover

August 2009

Table of Contents

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Issue Highlights

Simple TiO₂ Synthesis. Calcination is a thermal process applied to solid materials to effect a thermal decomposition, a phase transition, or removal of a volatile component. As described in the article by Yodyingyong, et al, a simple and inexpensive alcohol burner is used to replace an expensive furnace for the calcination process. Titanium dioxide (TiO₂) nanoparticle synthesis was selected to demonstrate the use of the alcohol burner. X-ray diffractograms, TEM micrographs, and BET surface area analysis show that the TiO₂ powders obtained by such inexpensive calcination process (top image; highlighted in gray) can yield TiO₂ with comparable degree of crystallinity, smaller particle size, and higher specific surface area compared to commercial TiO₂ nanoparticles (bottom image; highlighted in purple).

The cover was designed by Betsy True.

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