Small-angle neutron scattering studies of sodium butyl benzene sulfonate aggregates in aqueous solution
O R Pal V G Gaikar J V Joshi P S Goyal V K Aswal
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Hydrotrope; aggregation; sodium butyl benzene sulfonate; small-angle neutron scattering
The aggregation behaviour of a hydrotrope, sodiumn-butyl benzene sulfonate (Na-NBBS), in aqueous solutions is investigated by small-angle neutron scattering (SANS). Nearly ellipsoidal aggregates of Na-NBBS at concentrations well above its minimum hydrotrope concentration were detected by SANS. The hydrotrope seems to form self-assemblies with aggregation number of 36–40 with a substantial charge on the aggregate. This aggregation number is weakly affected by the hydrotrope concentration.
O R Pal1 V G Gaikar1 J V Joshi2 P S Goyal2 V K Aswal3
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Volume 92 | Issue 2
February 2019
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