| http://www.w3.org/ns/prov#value | - Examples of absorbents include aliphatic hydrocarbons, for example C8-C20-alkanes or alkenes, or aromatic hydrocarbons, for example middle oil fractions from paraffin-distillation or ethers having bulky (sterically demanding) groups on the oxygen atom, or mixtures thereof, to which a polar solvent, for example the dimethyl 1,2-phthalate disclosed in DE-A 43 08 087 may be added.
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