prov:value
| - Examples of the organic polar solvents which can be used in the present invention include alcohols, such as methyl alcohol, ethyl alcohol, isopropyl alcohol, isobutyl alcohol and 1,2-propanediol; ethers, such as diethyl ether, dioxane and tetrahydrofuran; ketones, such as acetone, methyl ethyl ketone and cyclohexanone; and esters, such as methyl acetate, ethyl acetate and isopropyl acetate.
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