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On the Autoxidation of Aqueous Sodium Polysulfide [1]
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1986
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Materials ScienceInorganic ChemistryChemical EngineeringEnvironmental ChemistryVibrational SpectraEngineeringSolid-state IonicChemical TechnologyInorganic MaterialPolymer ScienceAqueous Sodium PolysulfideAnalytical ChemistryNa 2ChemistryPure OxygenPolymer Chemistry
Abstract Aqueous sodium polysulfide of composition in the range Na 2 S 2.0 to Na 2 S 4.6 undergoes autoxidation by either air or pure oxygen at temperatures of between 23 and 40 °C according to the equation [xxx] Iodometric determination, vibrational spectra and ion-pair chromatography showed that neither sulfate, sulfite nor polythionates are formed and that the sulfur precipitated consists of S 8 (≥ 99%).