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Capillary Electrophoretic Separation of Inorganic Sulfur–sulfide, Polysulfides, and Sulfur-oxygen Species by Catalin Florin Petre; Faïçal Larachi is a Chemistry article available to read on EtoBox.
What is Capillary Electrophoretic Separation of Inorganic Sulfur–sulfide, Polysulfides, and Sulfur-oxygen Species about?
## Abstract A CE protocol was developed for the identification and separation of inorganic polysulfides simultaneously with other inorganic sulfur‐bearing species coexisting in aqueous hydrosulfide/sulfur solutions. The electrophoretic separation of thiosulfate, sulfate, hydrosulfide, sulfite, tetrathionate, and polysulfides was achieved at pH values between 8.2 and 12.2. The peaks attributed to the polysulfide species were strongly sensitive to pH. CE analysis of hydrosulfide/sulfur solutions at different pH values permitted possible identification of two forms of polysulfides: S~4~^2–^ and S~3~^2–^. Upon exposure to air at ambient temperature, thiosulfate was the main oxidation product of hydrosulfide/sulfur solutions mainly in the first 60 min, when hydrosulfide was rapidly consumed. Analysis of the oxidation reaction products provided retrospectively tentative evidence that the peaks separated and identified as tri‐ and tetrasulfide may be ascribed to polysulfides.
Who reads Capillary Electrophoretic Separation of Inorganic Sulfur–sulfide, Polysulfides, and Sulfur-oxygen Species?
It is typically read by researchers, students, and practitioners in Chemistry.
- Author
- Catalin Florin Petre; Faïçal Larachi
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Ltd.; Wiley (ISSN 1615-9306)
- Published
- 2006
- Language
- EN
- Field
- Chemistry (Physical Sciences)