prov:value
| - As for the solvent employed, aliphatic hydrocarbons such as hexane, heptane, octane, nonane, decane, etc.; aromatic hydrocarbons such as benzene, toluene, xylene, ethylbenzene, cumene, etc.; halogenated aromatic hydrocarbons such as chlorobenzene, dichlorobenzene, trichlorobenzene, etc.; and halogenated hydrocarbons such as carbon tetrachloride, chloroform, dichloroethane, trichloroethylene, tetra
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