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(searched for: (10.5155/eurjchem.2.3.342-346.385))
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Jinhuan Shan, Yafeng Yang
European Journal of Chemistry, Volume 2, pp 342-346; doi:10.5155/eurjchem.2.3.342-346.385

Abstract:
The kinetics of oxidation of n-butylamine and 1,3-propanediamine by home-made potassium ferrate(VI) at different conditions has been studied spectrophotometrically in the temperature range of 283.2-298.2 K. The results show first order dependence on potassium ferrate (VI) and on each reductant. The observed rate constant (kobs) decreases with the increase of [OH-], and the reaction rate has a negative fraction order with respect to [OH-]. A plausible mechanism is proposed and the rate equations derived from the mechanism was shown to fit all the experimental results. The rate constants of the rate-determining step and the thermodynamic activation parameters are calculated.
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