| http://www.w3.org/ns/prov#value | - Examples of suitable solvents include: hydrocarbons, which may be aliphatic or aromatic hydrocarbons, such as benzene, toluene, xylene or heptane; halogenated hydrocarbons, especially halogenated aliphatic hydrocarbons, such as methylene chloride or chloroform; ethers, such as diethyl ether, tetrahydrofuran or dioxane; esters, such as ethyl acetate or butyl acetate; and ketones, such as acetone or
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