EFFECT OF VITAMINS NICOTINIC ACID, PYRIDOXINE AND Co2+, Mn2+, Cu2+ METAL-IONS ON CRITICAL MICELLE CONCENTRATION OF ANIONIC, CATIONIC ANDNONIONIC SURFACTANTS IN AQUEOUS SOLUTIONS

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EFFECT OF VITAMINS NICOTINIC ACID, PYRIDOXINE AND Co2+, Mn2+, Cu2+ METAL-IONS ON CRITICAL MICELLE CONCENTRATION OF ANIONIC, CATIONIC ANDNONIONIC SURFACTANTS IN AQUEOUS SOLUTIONS L.R. Harutyunyan

Effect of aqueous soluble vitamins nicotinic acid, pyridoxine and biologicallyactive ions Co2+, Mn2+, Cu2+ on critical micelle concentration (cmc) of anionic surfactant sodium pentadecylsulfonate, cationic surfactant cetylpyridinium bromideand nonionic surfactant hexadecylpoly[oxyethylene(20)] alcohol(C16A20) in aqueous solutions at 303.15 Kwas studied. It was shown that with increase of vitamins concentration the cmc of studied anionic sodium pentadecylsulfonate increases and cmc of C16A20decreases. In the presence of metal-ions cmc of the studied surfactants decreases.

DOI: 10.46991/PYSUB.2015.49.2.003 Chemical and Biological Sciences 49 (2 (237) 3-8

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Keywords

micellization, sodium pentadecylsulfonate, cetylpyridinium bromide,hexadecylpoly[oxyethylene(20)] alcohol

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