Effect of trace impurities on a bifurcation structure in the Belousov-Zhabotinskii reaction: preparation of high-purity malonic acid
Z Noszticzius, WD McCormick…
Index: Noszticzius, Zoltan; McCormick, William D.; Swinney, Harry L. Journal of Physical Chemistry, 1987 , vol. 91, # 19 p. 5129 - 5134
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Citation Number: 51
Abstract
We have found that impurities on the ppm level in malonic acid are sufficient to alter dramatically a sequence of bifurcations in the Belousov-Zhabotinskii (BZ) reaction. Samples of malonic acid from 15 vendors were tested, and each was found to contain one or more of the following impurities that affect the reaction dynamics: iron, paraformaldehyde, ethanol, methanol, ethyl ester, and methyl ester. We describe a straightforward procedure for ...
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