| http://www.w3.org/ns/prov#value | - of an inert solvent of aromatic hydrocarbon such as benzene, toluene, xylene, chlorobenzene and so on, or an aliphatic hydrocarbon such as hexane, heptane,cyclohexane, methylcyclohexane and so on.After the contacting the three components, the resulting solid catalyst [F] may be used as it is or after washing it with the above inert solvent.Upon contacting the solid reaction product [C] with the or
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