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Also, a higher net production of light naphthenes can be achieved for lower values of U.
The octane numbers of alkyl-substituted naphthenes trend similarly to those of alkyl-substituted aromatics.
Since ethylenediamine is very polar, naphthenes are preferentially permeated to the solvent side.
Most horticultural oils contain naphthene and paraffin compounds.
Oils high in naphthene also contain more impurities such as phytotoxic aromatic and unsaturated hydrocarbons.
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