Conductance study of the thermodynamics of micellization of 1-Hexadecylpyridinium bromide (cas 140-72-7) in mixed solvents containing dilute electrolyte solutions

Add time:10/01/2019    Source:infona.pl

The critical micelle concentration (CMC) of hexadecylpyridinium bromide (HDPB) is determined conductometrically in binary mixtures of water + cosolvent at various temperatures and at low concentrations of sodium bromide, ranging from 0 to 2.4 × 10−2 M. Dimethylsulfoxide (DMSO) and acetonitrile (AN) were used as cosolvents added to water. The ability of NaBr to lower the CMC of HDPB in water is inhibited by DMSO and AN. Thermodynamic parameters of micellization ΔHm o, ΔSm o, and ΔGm o are evaluated according to the pseudo-phase model. The contribution of DMSO and AN in the micellization process of HDPB in aqueous electrolyte solutions are discussed in terms of the observed thermodynamic properties.

We also recommend Trading Suppliers and Manufacturers of 1-Hexadecylpyridinium bromide (cas 140-72-7). Pls Click Website Link as below: cas 140-72-7 suppliers

Prev:Biodegradation of the endocrine disrupter 4-tert-Octylphenol (cas 140-66-9) by the yeast strain Candida rugopelliculosa RRKY5 via phenolic ring hydroxylation and alkyl chain oxidation pathways
Next:Aggregation behaviour and thermodynamics of mixed micellization of 1-Hexadecylpyridinium bromide (cas 140-72-7) and ionic liquid in ethylene glycol/water binary mixtures)