Estimation of interfacial acidity of sodium dodecyl sulfate micelles
作者： ARGHYA DEY , G NARESH PATWARI
DOI: 10.1007/S12039-011-0185-1
关键词: Protonation 、 Sodium dodecyl sulfate 、 Pulmonary surfactant 、 Micelle 、 Aqueous solution 、 Hydrochloric acid 、 Chemistry 、 Salicylic acid 、 Cationic polymerization 、 Inorganic chemistry
摘要: An enhancement in the excited state proton transfer (ESPT) processes of coumarin-102 (C-102) dye was observed upon addition salicylic acid and hydrochloric sodium dodecyl sulfate (SDS) micellar solution. The phenomenon only medium anionic surfactant SDS not case cationic (CTAB) or neutral (Trition X -100) surfactants. ESPT C-102 also aqueous solutions but on very high concentrations acid. However, comparing ratio protonated species from emission spectra presence absence micelle, a conclusive estimation local concentration at Stern layer micelles could be evaluated.
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