. . "Examples of the solvent include aliphatic hydrocarbons, such as hexane and heptane; alicyclic hydrocarbons, such as cyclopentane and cyclohexane; aromatic hydrocarbons, such as benzene and toluene; and ether solvents, such as diethyl ether, dioxane, tetrahydrofuran (THF), monoglyme and diglyme." . .