Results 301 to 310 of about 66,282 (327)

Interaction of Anionic Gemini Surfactants with Other Surfactants

Journal of Dispersion Science and Technology, 2014
The interaction of anionic gemini surfactants with other surfactants (such as anionic, cationic, nonionic) was systematically overviewed, paying attention to synergism observed in various properties. These mixed systems were found to show remarkable synergism in micelle formation.
Sakshi Tyagi, Vinod Kumar Tyagi
openaire   +1 more source

Hardness tolerance of anionic surfactant solutions. 1. Anionic surfactant with added monovalent electrolyte

Langmuir, 1989
Determination des concentrations critiques micellaires du dodecylsufate de sodium dans des solutions de NaCl, CaCl 2 et MgCl ...
Kevin L. Stellner, John F. Scamehorn
openaire   +1 more source

Polymer chip incorporated with anionic surfactant-ISFET for microflow analysis of anionic surfactants

Sensors and Actuators B: Chemical, 2005
Abstract An anionic surfactant ion-sensitive field-effect transistor (anionic surfactant-FET) based on a hydrophobic quaternary ammonium salt, tetrahexadecylammonium bromide was developed. The anionic surfactant-FET shows an almost Nernstian response to sodium dodecylbenzenesulfonate (NaDBS) ion in the concentration range from 1.0 × 10 −6 to 1.0 ...
Takashi Masadome, Shohei Kugoh, Mayumi Ishikawa, Erika Kawano, Shin-ichi Wakida   +4 more
openaire   +1 more source

Anionic Surfactants and Surfactant Ionic Liquids with Quaternary Ammonium Counterions

Langmuir, 2011
Small-angle neutron scattering and surface tension have been used to characterize a class of surfactants (SURFs), including surfactant ionic liquids (SAILs). These SURFs and SAILs are based on organic surfactant anions (single-tail dodecyl sulfate, DS, double-chain aerosol-OT, AOT, and the trichain, TC) with substituted quaternary ammonium cations ...
Brown, P, Butts, C.P, Dyer, R, Eastoe, J.G, Grillo, I, Guittard, F, Rogers, S, Heenan, R   +7 more
openaire   +3 more sources

Micelar Flocculation of Anionic Surfactants

Langmuir, 1998
Cations such as Ca2+ or La3+ show a strong tendency to bind themselves to the surface of anionic surfactant micelles. If the cation concentration is raised until micelles are saturated, the excess cations may precipitate with the surfactant monomer if the solubility product is reached. This paper describes the lauryl sulfate (DS)−Al3+ system.
F. I. Talens, P. Patón, S. Gaya
openaire   +1 more source

Synergism in Mixed Anionic–Amphoteric Surfactant Solutions: Influence of Anionic Surfactant Chain Length

Tenside Surfactants Detergents, 2009
Abstract The influence of chain length on the composition of mixed micelles in binary mixtures of N,N-dimethyldodecylamine oxide (DDAO) and sodium decyl-, sodium dodecyl- and sodium tetradecylsulfate (abbreviated as SDeS, SDS and STS, respectively) has been determined at 30°C.
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Anionic surfactant detection

2013
Disclosed herein are methods for the detection and/or quantification of anionic surfactants. Also disclosed herein are test kits, which utilize the disclosed methods, to estimate the anionic surfactant concentration in samples, such as environmentally-derived samples.
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Anionic Surfactants—An Introduction

2019
This chapter introduces the class of chemical compounds collectively known as anionic surfactants, the members of that class that have achieved major importance, and, as far as it affects the analyst, the raw materials, processes, and by-products that may be found. Surfactants are by necessity large molecules with molar masses usually in excess of 300.
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Turbidimetric Determination of Anionic Surfactants

Tenside Surfactants Detergents, 1985
Ce procede suit la methode du titrage biphasique; au lieu d'un titrage jusqu'au virage d'un indicateur colore, on utilise une mesure de la turbidite en tant que determination extreme du ...
openaire   +1 more source

Anionic surfactant detection

2009
Disclosed herein are methods for the detection and/or quantification of anionic surfactants. Also disclosed herein are test kits, which utilize the disclosed methods, to estimate the anionic surfactant concentration in samples, such as environmentally-derived samples.
openaire   +1 more source