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It's Elemental - The Element Iodine

Iodine was discovered by the French chemist Barnard Courtois in 1811. Courtois was extracting sodium and potassium compounds from seaweed ash. Once these compounds were removed, he added sulfuric acid (H2SO4) to further process the ash. He accidentally added too much acid and a violet colored cloud erupted from the mass. The gas condensed on metal objects in the room, creating solid iodine. Today, iodine is chiefly obtained from deposits of sodium iodate (NaIO3) and sodium periodate (NaIO4) in Chile and Bolivia.iodine is a basic element that is essential in human nutrition. trace amounts are able to prevent the most overt signs of iodine deficiency. iodine was indeed the first pure chemical ever prescribed by doctors for a specific ailment,...

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