Improved Methylene Blue Two-Phase Titration Method for Determining Cationic Surfactant Concentration in High-Salinity Brine

The methylene blue (MB) two-phase titration method is a rapid and efficient method for determining the concentrations of anionic surfactants. The point at which the aqueous and chloroform phases appear equally blue is called Epton’s end point. However, many inorganic anions, e.g., Cl–, NO3 –, Br–, a...

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Veröffentlicht in:	Analytical chemistry (Washington) 2014-11, Vol.86 (22), p.11055-11061
Hauptverfasser:	Cui, Leyu, Puerto, Maura, López-Salinas, José L, Biswal, Sibani L, Hirasaki, George J
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorbance Analytical chemistry Brine Cationic Chloroform Deionization Phases Salinity Salt water Surfactants Titration
Online-Zugang:	Volltext
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