| http://www.w3.org/ns/prov#value | - Examples of suitable solvents include: hydrocarbons, which may be aliphatic or aromatic, such as benzene, toluene, xylene, hexane or heptane; ethers, such as diethyl ether, dioxane or tetrahydrofuran; alcohols, such as methanol, ethanol or isopropanol; amides, such as dimethylformamide, dimethylacetamide or hexamethyl-phosphoric triamide; halogenated hydrocarbons, such as methylene chloride, chlor
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