Doctors worry that iodine deficiency — a dietary problem from the past — is coming back
Iodine is a trace element found in seawater and in some soils — mostly in coastal areas. A French chemist accidentally ...
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O655: Extraction – Separation of Food Coloring and Iodine
When this aqueous solution is extracted with organic solvents (hexane and dichloromethane), the iodine is drawn into the organic layer, leaving a blue aqueous layer and turning the organic layer ...