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Iodine
Title: Iodine
Category: Science & Technology
Details: Words: 534 | Pages: 2.3 (approximately 235 words/page)
Iodine
Discovered : by Bernard Courtois in 1811
Isolated in Paris, France
Origin : The name is derived from the Greek ‘iodes’, meaning violet
Description :
1811-Iodine comes as black, shiny crystals that dissolve in alcohol; the result is sold as an antiseptic solution. Iodine salts (iodides) are used in dyes and photography, as industrial catalysts and in the manufacture of pharmaceuticals. Iodine is also an essential element for humans, who require a daily intake of iodine (as iodide) of …showed first 75 words of 534 total…
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…showed last 75 words of 534 total…used to produce potassium iodide and 10% of the iodine is used as sodium iodide. Most of the rest is made into a variety of organic compounds. Silver iodide is used in photographic chemicals.
(iii) The processing depends on the chemicals which need to be produced. The element reacts with alkali metal hydroxides.
(iv) The world production of iodine is relatively small (under 10,000 tonnes per year), with the bulk coming from Chile, USA, Japan and Russia.
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