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  Home > JCE Print > Journal of Chemical Education > Issues > 1999  > May  >
Chemical Education Today
Corrections
Correction to Fifty-Year Trends in the Chemical Industry: What Do They Mean for Chemical Education?
Chadwick A. Tolman
National Science Foundation, 4201 Wilson Blvd., Arlington, VA 22230

George W. Parshall
2504 Delaware Avenue, Wilmington, DE 19806-1220

Cover
May 1999
Vol. 76 No. 5
p. 608
Full Text
We are grateful to the sharp-eyed reader who picked out the mistake in our article, "Fifty-Year Trends in the Chemical Industry" (J. Chem. Educ. 1999, 76, 177-189). The correct caption for Figure 2 on page 179 of the February 1999 issue is:

Figure 2. Schematic representation showing the snugfit of an n-butylammonium ion in a channel of a ZSM-5 zeolite. The zeolite crystal is made up of Si and Al ions (both shown in silver) linked together by oxygens (red). The nitrogen atom (blue) of the organic molecule is ionically bound to an anionic site in the channel wall.

Supplement
The corrected caption for Figure 2 is can be accessed as a pdf file using Acrobat Reader.
*  Contents
*  Download supp608.pdf
More Information
*  Citation
 Tolman, Chadwick A.; Parshall, George W. J. Chem. Educ. 1999 76 608.
*  Keywords
 Environmental Chemistry; Industrial Chemistry; History / Philosophy; Corrections
*  History
 Created:
Last Updated:		 June 11, 1999
June 23, 2005
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