Abstract
Abstract The use of μ-oxo-ditrifluoroacetato-diphenyl-diiodine (μ-ODDD) in potentiometric titrations has been studied. This reagent is more powerful oxidizing agent and more stable than bis(trifluoroacetoxy) iodobenzene (BTIB). The general analytical conditions for using this oxidant and the procedures for potentiometric determinations of sulfite, thiosulphate, nitrite, selenocyanate, thiocyanate and iron(II)ions as well as hydrogen peroxide and hydrazine sulphate are described. A simultaneous determination of hydrazine sulphate and nitrite ions and also of seloenocyanate and thiocyanate ions has been carried out.
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