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Ask the Doctors: Eye Dryness Often Increases as We AgeThe middle layer, known as the aqueous layer, is made up primarily of water. It provides hydration and washes away contaminants. It also contains proteins that nourish the cornea and electrolytes ...
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 ...
When this aqueous solution is extracted with organic solvents (hexane and dichloromethane), the iodine is drawn into the organic layer, leaving a turquoise aqueous layer and turning the organic layer ...
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