Experimental study of a closed system in the sodium chlorite–iodine–ethyl acetoacetate oscillation reaction by UV–Vis and online FTIR spectrophotometric method

Experimental study of a closed system in the sodium chlorite–iodine–ethyl acetoacetate... The sodium chlorite–iodine–ethyl acetoacetate (EAA) chemical oscillatory reaction system was studied by UV–Vis and online FTIR spectrophotometric method. The oscillation phenomenon does not occur as long as the reactants are mixed. There is a pre-oscillatory or induction period. The amplitude is small at the beginning stage and then increases with reaction time. Finally, the oscillation ceases suddenly. The amplitude and the number of oscillations are associated with the initial concentration of sodium chlorite, iodine, EAA and sulfuric acid. The equations for the triiodide ion reaction rate changing with reaction time and the initial concentrations on the oscillation stage were obtained. The intermediates were detected by the online FTIR analysis. Based upon the experimental data in this work and in the literature, a plausible reaction mechanism was proposed for the oscillation reaction. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Experimental study of a closed system in the sodium chlorite–iodine–ethyl acetoacetate oscillation reaction by UV–Vis and online FTIR spectrophotometric method

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Publisher
Springer Netherlands
Copyright
Copyright © 2011 by Springer Science+Business Media B.V.
Subject
Chemistry; Inorganic Chemistry; Catalysis; Physical Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-011-0318-7
Publisher site
See Article on Publisher Site

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