| http://www.w3.org/ns/prov#value | - Among the inert organic solvents suitable for preparing the silica gel or CPG slurry are aliphatic hydrocarbons such as, for example, hexane, heptane and the like; aromatic hydrocarbons such as, for example, benzene, toluene, xylene and the like; chlorinated methanes such as for example, methylene chloride, chloroform, carbon tetrachloride and the like; and such other inert solvents as tetrahydrof
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