Make iodine sulfuric acid and alkali metal iodide

How elemental iodine from sulfuric acid and sodium or potassium iodide. Caution: The reaction must be done outside or in a hood because of the production of toxic gases, including hydrogen sulfide. First, get the amount of sodium iodide or potassium completely dissolve in a minimum of water. Then place it in an ice bath to keep it cold. Then add concentrated sulfuric acid directly to the solution, stirring constantly. When you add to produce iodine. At first the mixture will become thick and mix with time. Once the liquid is poured directly into cold water (ice bath itself is useful for this) and mix. Then let it sit for ten minutes or less. The iodine is deposited on the bottom for pouring water and acid. Iodine remain contaminated with acid so you’ll need to add water and remove several times to get the most acidic. Filter and now has a solid plug of iodine. It is usable as it is for most purposes, but you can be purified by placing it in a glass flask filled with ice on top. Heat the beaker. Iodine evaporates and is deposited in the flask. A reaction is cool to the iodine and magnesium powder poured onto it. It reacts to form a purple cloud of iodine vapor. If it does not react quickly enough, just add a drop of water. Our website www. nurdrage. com

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