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From Environmental Threat to Control: A Review of Technologies for Removal of Quaternary Ammonium Compounds from Wastewater. [PDF]
Membranes (Basel)Klimonda A, Kowalska I.
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Mixed Micelles of Dodecyltrimethylammonium Bromide and Didodecyldimethylammonium Bromide
Langmuir, 1995Mixed micelles of dodecyltrimethylammonium bromide (DTAB) and didodecyldimethylammonium bromide (DDAB) are investigated with small-angle neutron scattering (SANS). The roughly spherical DTAB micelle elongates, and the fraction of condensed bromide ions increases, as the DDAB-DTAB mixing ratio increases at a constant total surfactant concentration.
K. M. Lusvardi, A. P. Full, E. W. Kaler
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Dodecyltrimethylammonium bromide-styrene microemulsion dielectric investigation in aqueous media
Canadian Journal of Chemistry, 2023In this paper, we report the complex permittivity of aqueous microemulsions of N-dodecyltrimethylammonium bromide and styrene. The studies were carried out at 298.15 K while varying the styrene to surfactant concentration ratio, S0 (0.16 ≤ S0 ≤ 0.71) and the surfactant concentration, c (0.1032 ≤ c (mol·dm−3) ≤ 0.7806).
Nashiour Rohman +2 more
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Dodecyltrimethylammonium bromide-disodium dodecanephosphonate mixed micelles
Colloid & Polymer Science, 1999The aqueous catanionic system dodecyltrimethylammonium bromide (DTAB)–disodiumdodecanephosphonate (DSDP) was studied by potentiometry, conductivity, surface tension, spectrometry and dye solubilization. No precipitation of neutral salts was found in the entire range of compositions studied. Up to four transitions were detected. The first transition, at
P. C. Schulz, R. M. Minardi, B. Vuano
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Properties of aqueous foams stabilized by dodecyltrimethylammonium bromide
Journal of Colloid and Interface Science, 2009Foamability, foam stability and the liquid volume of aqueous foams stabilized by dodecyltrimethylammonium bromide (C(12)TAB) are studied. The foams are generated with a sparging method at different gas flow rates and surfactant concentrations.
Enda, Carey, Cosima, Stubenrauch
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Bulletin of the Chemical Society of Japan, 1999
Abstract The conductances of tetradecyltrimethylammonium bromide (TTAB) + dodecyltrimethylammonium bromide (DTAB) mixtures over the entire mole fraction range of TTAB (αTTAB) were measured in pure water as well as in the presence of various aqueous ethylene glycol oligomers containing 5 and 10 wt% of each additive in their respective ...
Mandeep Singh Bakshi, Ushwinder Kaur
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Abstract The conductances of tetradecyltrimethylammonium bromide (TTAB) + dodecyltrimethylammonium bromide (DTAB) mixtures over the entire mole fraction range of TTAB (αTTAB) were measured in pure water as well as in the presence of various aqueous ethylene glycol oligomers containing 5 and 10 wt% of each additive in their respective ...
Mandeep Singh Bakshi, Ushwinder Kaur
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Enthalpy of micellization II. n-dodecyltrimethylammonium bromide
The Journal of Chemical Thermodynamics, 1970Abstract The enthalpy of micellization of n-dodecyltrimethylammonium bromide has been measured using a Beckman 190B microcalorimeter at 23, 25, and 30 °C, in water and in sodium bromide solution as a function of surfactant concentration up to 20 times the critical micelle concentration. Dilution of these micellar solutions was found to be endothermic,
L Espada, M.N Jones, G Pilcher
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Electrophoretic properties of dodecyltrimethylammonium bromide micelles in KBr solution
Electrophoresis, 2000Charge in ionic micelles determines the trends of their stability and their practical applications. Charge can be calculated from zeta potential (zeta) measurements, which, in turn, can be obtained by Doppler microelectrophoresis. In this study, the electrophoretic properties of dodecyltrimethylammonium bromide (DTAB) in KBr aqueous solution (0-6 mM ...
R, Sabaté, M, Gallardo, J, Estelrich
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Interaction of cephalosporin drugs with dodecyltrimethylammonium Bromide
The Journal of Chemical Thermodynamics, 2013Abstract The interaction of three cephalosporin drugs namely cefadroxyl monohydrate (CFM), cephalexin monohydrate (CLM) and cephradine monohydrate (CDM) with dodecyltrimethylammonium Bromide (DTAB) has been carried out by conductance measurements in aqueous medium and in aqueous solution of K2SO4 salt over temperature range of (303.15 to 318.15) K ...
Md. Anamul Hoque +2 more
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Colloid & Polymer Science, 1992
Surface tension of aqueous solutions of mixtures of dodecyltrimethylammonium bromide (DTAB) and dodecyltrimethylammonium chloride (DTAC) has been measured and analyzed by using thermodynamic relations. The adsorbed film has been found to contain more DTAB molecules than the solution.
M. Yamanaka +4 more
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Surface tension of aqueous solutions of mixtures of dodecyltrimethylammonium bromide (DTAB) and dodecyltrimethylammonium chloride (DTAC) has been measured and analyzed by using thermodynamic relations. The adsorbed film has been found to contain more DTAB molecules than the solution.
M. Yamanaka +4 more
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