Kinetics and Mechanism of Oxidation of Diethanolamine and Triethanolamine by Potassium Ferrate | Zendy

Jinhuan Shan | Zendy; Jiying Zhang | Zendy

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Kinetics and Mechanism of Oxidation of Diethanolamine and Triethanolamine by Potassium Ferrate

Author(s) -

Jinhuan Shan,

Jiying Zhang

Publication year - 2010

Publication title -

journal of chemistry

Language(s) - English

Resource type - Journals

eISSN - 2090-9063

pISSN - 2090-9071

DOI - 10.1155/2011/267894

Subject(s) - triethanolamine , diethanolamine , kinetics , potassium ferrate , chemistry , mechanism (biology) , potassium , inorganic chemistry , environmental chemistry , organic chemistry , philosophy , analytical chemistry (journal) , physics , quantum mechanics , epistemology

The kinetics of oxidation of diethanolamine and triethanolamine by potassium ferrate(VI) in alkaline liquids at a constant ionic strength has been studied spectrophotometrically in the temperature range of 278.2 K-293.2 K. The reaction shows first order dependence on potassium ferrate(VI), first order dependence on each reductant, The observed rate constant (kobs) decreases with the increase in [OH-], the reaction is negative fraction order with respect to [OH-]. A plausible mechanism is proposed and the rate equations derived from the mechanism can explain all the experimental results. The rate constants of the rate-determining step and the thermodynamic activation parameters are calculated

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