Standard for thiosulfate solutions

Potassium iodate is an excellent primary standard for thiosulfate solutions. In this application, weighed amounts of primaiy-standard grade reagent are dissolved in water containing an excess of potassium iodide. When this mixture is acidified with a strong acid, the reaction... 

Potassium iodate is used as a primary standard for thiosulfate solutions in quantitative analysis. Iodate reacts quantitatively with iodide to produce iodine, as shown in Equation (18.43) ... 

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See also in sourсe #XX -- [ ]

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