Micellar media in kinetic determinations

✍ Scribed by Soledad Rubio; Dolores Pérez-Bendito

• Book ID: 104100780
• Publisher: Elsevier Science
• Year: 1989
• Tongue: English
• Weight: 1000 KB
• Volume: 224
• Category: Article
• ISSN: 0003-2670
• DOI: 10.1016/s0003-2670(00)86558-7

✦ Synopsis

The role of micellar media in analytical reaction-rate methods is discussed. The Ce (IV )-As (III) reaction in the presence and absence of iodide catalyst was selected in order to study its behaviour in the presence of surfactants.. Dodecyltrimethylammonium bromide (DTAB ) was found to increase the reaction rate of both systems. Evidence for a "micellar catalysis" effect by DTAB is demonstrated. The analytical potential of micelles in terms of sensitivity and enhanced selectivity is also discussed.