Examples of organic solvents are aliphatic (non-polar) hydrocarbons such as pentane, hexane, heptane, octane and decane; alicyclic hydrocarbons such as cyclopentane and cyclohexane; aromatic hydrocarbons such as benzene, chlorobenzene, o-dichlorobenzene, toluene, methoxybenzene and xylenes; ethers such as methyl-t-butyl ether and anisole; halogenated (polar) hydrocarbons such as methylene chloride