Physicochemical properties and effect of organic and inorganic electrolytes on surface properties of C12 and C16 alcohol-based bis-sulfosuccinate anionic gemini surfactants
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Current communication reports the inorganic and organic salt behavior towards the surface active properties of lauryl and cetyl alcohol-based bis-sulfosuccinate anionic gemini surfactant (BSGSLA’s and BSGSCA’s) having different spacer and alkyl chain lengths by means of tensiometric measurements. The results revealed the enhanced surface activity and reduced critical micelle concentration (CMC) of gemini surfactants with the interaction of different salts as well as with increased salt concentration. The CMC reduction pattern reflects the profound influence of different salts of bis-sulfosuccinate anionic gemini surfactants and considerably noticed as sodium salicylate > sodium benzoate > potassium chloride > sodium chloride. This finding divulged the superior interaction behavior of organic salts in contrast to inorganic salts. The outcome of these investigations pointed out towards the improvement scrutinized in surface activity of bis-sulfosuccinate gemini surfactants with different salts which evidently supported with the eyecatching reduction in CMC with various factors including, viz. enhanced salt concentration, elongated spacer group as well as enlarged alkyl chains of gemini surfactants. The results also confirmed that the synthesized anionic bis-sulfosuccinate gemini surfactants, viz. BSGSLA’s and BSGSCA’s, exhibited promising performance properties.
KeywordsBis-sulfosuccinate gemini surfactant Organic salts Inorganic salts Salt study Surface and physicochemical properties
Authors gratefully acknowledge the Extra Mular Research Division (II) Scheme No. 01/ (2565) /12/ ERM-II of Council of Scientific and Industrial Research (CSIR), New Delhi, Government of India, for financial support to the research work. Vinayika Singh is highly thankful to CSIR, New Delhi, for the sanction of Senior Research fellowship (SRF).
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Conflict of interest
The authors declare that they have no competing interests.
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