Preparation and Application of Cationic Surfactant Ion-selective Electrode
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Abstract
In this study, a cationic surfactant ion-selective electrode was prepared; its performance was determined. The electrode showed good Nernstian response to some kinds of cationic surfactants and had lower detection limits (10−6 mol/L order of magnitude). Potentiometric titration was employed to determine the concentrations of three cationic surfactants (DDMBAC, CTAB, OTMAC) using the electrode as indicator electrode and sodium tetraphenylborate solution as titrant. The titration results were satisfactory compared with the two-phase titration method. The relative errors between the electrode and two-phase titration were 2.12 %, 3.45 %, and 4.21 %, respectively. In addition, the electrode was used to determine the critical micelle concentration of cetyl trimethyl ammonium bromide (CTAB) in organic solvent/water, and the CMC measured using the electrode method was nearly identical with that measured using the conductivity method.
Kurzfassung
In dieser Untersuchung wurde eine ionenselektive Kationentensidelektrode hergestellt. Ihre Leistungsfähigkeit wurde bestimmt. Die Elektrode hatte ein gutes Nernst'sches Anwortverhalten auf einige Kationentensidarten und niedrige Nachweisgrenzen (in der Größenordnung von 10−6 mol/L). Potentiometrische Titrationen wurden durchgeführt, um die Konzentrationen von drei kationischen Tensiden (DDMBAC, CTAB, OTMAC) zu bestimmen, wobei die Elektrode als Indikatorelektrode und Natriumtetraphenylborat als Titrant eingesetzt wurden. Die Titrationsergebnisse sind im Vergleich zur Zwei-Phasen-Titration zufriedenstellend. Die relativen Fehler zwischen der Titration mit der Elektrode und der Zwei-Phasen-Titration betrugen 3,12 %, 3,45 % und 4,21 %. Zusätzlich wurde die Elektrode zur Bestimmung der kritischen Mizellbildungskonzentration von Cetyltrimethylammoniumbromid (CTAB) in einer Mischung aus organischem Lösemittel und Wasser eingesetzt. Die mit der Elektrodenmethode erhaltene CMC war mit der nach der konduktometrischen Methode bestimmten CMC nahezu identisch.
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© 2013, Carl Hanser Verlag, Munchen
Articles in the same Issue
- Contents/Inhalt
- Contents
- Abstracts
- Abstracts
- Review Article
- Cost Effective Procedures for Extremely Efficient Synthesis of Environmental Friendly Surfactants
- Application
- Research the Oil Displacing Performance of Dodecyl Polyoxyethylene Ether Sulfonates at Difficult Conditions
- Research on Surfactant Flooding in High-temperature and High-salinity Reservoir for Enhanced Oil Recovery
- Environmental Chemistry
- Determination of Polyaromatic Hydrocarbons in Domestic, Commercial and Industrial soot samples
- Physical Chemistry
- Effect of Oil/Water Mass Ratios on the Composition and Solubilization of Microemulsion Systems Containing Tween/Alcohol/Alkane/NaCl Solution
- Properties of Binary Surfactant System of Alkyl Polyglycosides and α-Sulphonated Fatty Acid Methyl Ester
- Mixed Micellization and Surface Properties of Ionic Liquids/Triton X-100 Mixture System in Aqueous Media
- Preparation and Application of Cationic Surfactant Ion-selective Electrode
- Novel Surfactants
- Synthesis and Properties of Monododecyl Diphenyl Methane Disulfonate
- Technical Chemistry
- The Wettability Alteration Behavior of Cationic Gemini Surfactants on Oil-aged Mica Mineral Surfaces
Articles in the same Issue
- Contents/Inhalt
- Contents
- Abstracts
- Abstracts
- Review Article
- Cost Effective Procedures for Extremely Efficient Synthesis of Environmental Friendly Surfactants
- Application
- Research the Oil Displacing Performance of Dodecyl Polyoxyethylene Ether Sulfonates at Difficult Conditions
- Research on Surfactant Flooding in High-temperature and High-salinity Reservoir for Enhanced Oil Recovery
- Environmental Chemistry
- Determination of Polyaromatic Hydrocarbons in Domestic, Commercial and Industrial soot samples
- Physical Chemistry
- Effect of Oil/Water Mass Ratios on the Composition and Solubilization of Microemulsion Systems Containing Tween/Alcohol/Alkane/NaCl Solution
- Properties of Binary Surfactant System of Alkyl Polyglycosides and α-Sulphonated Fatty Acid Methyl Ester
- Mixed Micellization and Surface Properties of Ionic Liquids/Triton X-100 Mixture System in Aqueous Media
- Preparation and Application of Cationic Surfactant Ion-selective Electrode
- Novel Surfactants
- Synthesis and Properties of Monododecyl Diphenyl Methane Disulfonate
- Technical Chemistry
- The Wettability Alteration Behavior of Cationic Gemini Surfactants on Oil-aged Mica Mineral Surfaces