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Sodium dodecyl sulfate micellar aqueous solution, the microstructure research

Time:2015/11/4 5:52:19

This paper mainly studied the anionic surfactant sodium dodecyl sulfate (SDS) in the distribution state of micelles in aqueous solution, and the solubilization of the organic matter. By applying conductivity method of sodium dodecyl sulfate (SDS) micellar solution conductivity as to study the change rule of concentration, conductivity and concentration of the finding of linear variation law, mainly show that solution completely ionization cationic the conduction of Na + in charge. At the same time using laser granulometer and transmission electron microscopy (TEM) and transmission electron microscopy (sem) at low temperature with different concentrations of sodium dodecyl sulfate (SDS) micellar solution of particle size distribution and microstructure were characterized, and can see that with the increase of concentration, micelle, experienced a concentration grow up into spherical distribution first, and then due to the mutual repulsion between micelle, forced deformation and mutual constraint, mutual restriction formed a uniform dispersion of micro micellar system. And, in the concentration of sodium dodecyl sulfate (SDS) solution titration after oleic acid, were ultraviolet-visible spectrophotometer map, found that the organic acid in sodium dodecyl sulfate (SDS) in the aggregate solubilization.