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Kinetics and mechanism of aqueous oxidation of H2S by Fe+3

✍ Scribed by T. Tekin; N. Boyabat; M. Bayramoğlu

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
134 KB
Volume
31
Category
Article
ISSN
0538-8066

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✦ Synopsis

The reaction kinetics of aqueous oxidation of H 2 S by is investigated at 25ЊC ϩ3 Fe by spectrophotometric method. The study conducted at various reactant concentrations and pH revealed that the reaction proceeds according to complex-series reactions involving polysulfides as intermediates. The reaction of each step is first order with respect to and ϩ3 Fe hydrogen sulfide or polysulfide. A mechanism is proposed, involving sulfido and polysulfido radicals.

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