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PPh4Cl in aqueous solution – the aggregation behavior of an antagonistic salt

Winkler, Robert ; Buchecker, Thomas ; Touraud, Didier ; Kunz, Werner


The authors consider the antagonistic salt PPh4Cl as a hydrotrope. Surface tension measurements and solubilization expts. on a hydrophobic dye confirm the solubilization behavior of PPh4Cl, which is in-​between the one of SDS and SXS. With the help of scattering techniques (DLS, SLS, SAXS)​, NMR and cond. measurements, we show that in contrast to SDS as a hydrotrope with an inherent CMC, PPh4Cl ...


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