prov:value
| - Examples of suitable solvents include: hydrocarbons, such as benzene, toluene, xylene, hexane or heptane; ethers, such as diethyl ether, dioxane or tetrahydrofuran; amides, such as dimethylformamide, dimethylacetamide or hexamethylphosphoric triamide; halogenated hydrocarbons, such as methylene chloride, chloroform or 1,2-dichloroethane; and mixtures of any two or more of these solvents.
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