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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 21, Number 2
BKCSDE 21(2)
February 20, 2000 

The Mixed Bromate Oscillator by 1,4-Cyclohexanedione and 1,3-Cyclohexanedione in a Flow System
Su Bum Shin, Sang Joon Choe, Do Sung Huh
We have studied the oscillatory behaviors of cyclohexanedione(CHD)-BrO3 - -Ce 4+ -H + reaction in a flow system and we have found a chaotic regime if a mixture of 1,4-cyclohexanedione(1,4-CHD) and 1,3-cyclohexanedione(1,3-CHD) is used as an organic reductant in the reaction system. The mixing ratio between the two substrates of 1,4-CHD and 1,3-CHD were changed under the condition of fixed total CHD concentration. The oscillatory behaviors of the mixed system were also changed by the flow rate variations. We have obtained various oscillation patterns by the mixed substrate reaction system i.e., CHD/BrO3 - /Ce 4+ /H + oscillation reaction in a flow condition. An attempt was also made to simulate the experimentally obtained results.
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