The extraction of tetraalkylammonium fluoride and chloride into solutions of benzyl alcohol and p ... nonylphenol in toluene and in osooctane has been studied. In the organic-phase concentration regions studied, these-species are associated to ion pairs. The results of slope analysis8:nd of water determination by the Karl Fischer method suggest that the'extracted fluo.ride species tend to involve a first-shell coordination number of four. : i
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