Simultaneous Tracking of Sulfur Species in the Oxidation of Thiourea by Hydrogen Peroxide | Zendy

Qingyu Gao | Zendy; Guangping Wang | Zendy; Yanyan Sun | Zendy; Irving R. Epstein | Zendy

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Simultaneous Tracking of Sulfur Species in the Oxidation of Thiourea by Hydrogen Peroxide

Author(s) -

Qingyu Gao,

Guangping Wang,

Yanyan Sun,

Irving R. Epstein

Publication year - 2008

Publication title -

the journal of physical chemistry a

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.756

H-Index - 235

eISSN - 1520-5215

pISSN - 1089-5639

DOI - 10.1021/jp8003932

Subject(s) - chemistry , thiourea , hydrogen peroxide , sulfur , kinetics , radical , peroxide , high performance liquid chromatography , ion , phase (matter) , photochemistry , inorganic chemistry , chromatography , organic chemistry , physics , quantum mechanics

We employ reversed-phase ion-pair high-performance liquid chromatography to quantitatively characterize the oxidation kinetics of thiourea oxidation by hydrogen peroxide. The HPLC technique makes it possible to monitor the concentrations of a variety of sulfur-containing species with different oxidation states and to elucidate the relative phase relations among them. The experimental results are in good agreement with simulations from an 8-step reaction mechanism.

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