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 ...

The interior of a cell is an aqueous environment ... Early researchers studying cells recognized that there was a boundary layer, but little was known about its structure until, in the 1880s ...