Abstract
The interaction of an anionic dye (Methyl Orange) with cationic surfactant (Cetyltrimethylammonium Bromide, CTAB) in the series of solvent containing variable compositions of methanol-water mixture (10%, 20%, 30% and 40%) was studied at room temperature (31±2oC). Conductivity measurements were done for the investigation of interaction of dyes. The specific conductance of 6.58x10-5 M to 59.22x10-5M surfactant (CTAB) and these surfactants with 1.008x10-3M dye (MO) mixtures were noted at room temperature. A theoretical model was used to calculate conductance ratio from the data of measured specific conductance values. Values of conductance ratio of CTAB-MO mixtures were found to be all less than 1 which indicated that CTAB-MO dye -surfactant mixture exert significant influence on the degree of interaction.Int. J. Appl. Sci. Biotechnol. Vol 5(2): 172-179
Highlights
Surfactants are organic compounds that decrease the surface tension of water at relatively low concentration and make water a better "wetting agent" to get into pores and fissures (Tadros, 2005)
This study deals with the conductance behaviour of Cetyltrimethylammonium Bromide (CTAB) and methyl orange in methanol-water mixtures covering a range of dielectric constant values at room temperature
The objective of the present investigation is to study specific conductance of cationic surfactant, CTAB and anionic dye, methyl orange in methanol-water mixed solvent media aimed at elucidating the behaviour and interaction of surfactant with dye in such solvent media at room temperature
Summary
Surfactants are organic compounds that decrease the surface tension of water at relatively low concentration and make water a better "wetting agent" to get into pores and fissures (Tadros, 2005).
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