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Most horticultural oils contain naphthene and paraffin compounds.
Oils high in naphthene also contain more impurities such as phytotoxic aromatic and unsaturated hydrocarbons.
Due to the dwindling supplies of naphthenic based crude reserves, a suitable replacement oil must be found for electrical apparatus.
Since ethylenediamine is very polar, naphthenes are preferentially permeated to the solvent side.
The octane numbers of alkyl-substituted naphthenes trend similarly to those of alkyl-substituted aromatics.
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