I. The reaction between iodide and hydrogen peroxide produces triiodide. The triiodide ions are reduced back to iodide by thiosulfate at a much faster rate, until the thiosulfate is consumed. Then the ...

It also evolves large amounts of iodine in solution, in suspension and also as a vapor above the reaction mixture. The vapor and solid is irritating to eyes, skin, and mucous membrane. Avoid contact ...