Micellar Catalysis on 1,10-Phenanthroline Promoted Chromic Acid Oxidation of Glycerol in Aqueous Media
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Abstract
On pseudo-first order conditions, the monomeric species of Cr(VI) was found to be kinetically active in the absence of phenanthroline (phen) whereas in the phen-promoted path, the Cr(VI)-phen complex undergoes a nucleophilic attack by glycerol to form a ternary complex which subsequently experience a redox decomposition leading to glyceraldehydes and Cr(III)-phen complex. The effect of the cationic surfactant, cetyl pyridinium chloride (CPC); anionic surfactant, sodium dodecyl sulphate (SDS) and nonionic surfactant, triton X-100 (TX-100) on the unpromoted and phen-promoted path have been studied. Micellar effects have been explained by considering the preferential partitioning of reactants between the micellar and aqueous phase.
Kurzfassung
Unter der Bedinung der Pseudo-Ersten-Ordnung wurde gefunden, dass die monomere Spezies Cr(VI) in Abwesenheit von Phenanthroliln (phen) kinetisch aktiv ist. Auf dem durch phen beschleunigten Reaktionsweg führt der Cr(VI)-phen-Komplex einen nucleophilen Angriff auf das Glycerin aus, wodurch ein ternärer Komplex ensteht. Dieser wird nachfolgend reduziert zu Glyzerinaldehyd und zum Cr(III)-phen-Komplex. Der Einfluss des kationischen Tensids Cetylpyridiniumchlorid (CPC), des anionischen Tensids Natriumdodecylsulfat (SDS) und des nichtionischen Tensids Triton X-100 (TX-100) auf die unbeschleunigte und auf die mit phen beschleunigte Reaktion wurde untersucht. Der Einfluss der Mizellen wurde damit erklärt, dass die Reaktionspartner sich vorrangig zwischen der mizellaren und der wässrigen Phase verteilen.
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© 2012, Carl Hanser Publisher, Munich
Articles in the same Issue
- Contents/Inhalt
- Contents
- Abstracts
- Abstracts
- Application
- Troubles with the Solution: Fabric Softeners and Odour Properties
- Micellar Catalysis on 1,10-Phenanthroline Promoted Chromic Acid Oxidation of Glycerol in Aqueous Media
- Environmental Chemistry
- Kinetics, Equilibrium, and Isotherm of the Adsorption of Chlorine by TDRP
- Removal of Synthetic Organic Foulants by Granular Activated Carbon Filters and Ultrafiltration Membrane
- Physical Chemistry
- Effect of Temperature and Added Counter Ions on Micelle Formation of Guanidine Surfactants
- Effect of Molecular Structure on Interfacial Activity and Emulsification Property
- Synthesis
- Synthesis and Emulsification Properties of Organosilicone Modified Sodium Sulfonate of Alkanolamide Succinic Acid Monoester with Palm Oil
- Fluorescent-Tagged Double-Hydrophilic Block Copolymer as a Green Inhibitor for Calcium Carbonate Scales
- Synthesis and Surface Properties of Novel Gemini Surfactants
- Review
- Alkyl Poly Glucosides (APGs) Surfactants and Their Properties: A Review
Articles in the same Issue
- Contents/Inhalt
- Contents
- Abstracts
- Abstracts
- Application
- Troubles with the Solution: Fabric Softeners and Odour Properties
- Micellar Catalysis on 1,10-Phenanthroline Promoted Chromic Acid Oxidation of Glycerol in Aqueous Media
- Environmental Chemistry
- Kinetics, Equilibrium, and Isotherm of the Adsorption of Chlorine by TDRP
- Removal of Synthetic Organic Foulants by Granular Activated Carbon Filters and Ultrafiltration Membrane
- Physical Chemistry
- Effect of Temperature and Added Counter Ions on Micelle Formation of Guanidine Surfactants
- Effect of Molecular Structure on Interfacial Activity and Emulsification Property
- Synthesis
- Synthesis and Emulsification Properties of Organosilicone Modified Sodium Sulfonate of Alkanolamide Succinic Acid Monoester with Palm Oil
- Fluorescent-Tagged Double-Hydrophilic Block Copolymer as a Green Inhibitor for Calcium Carbonate Scales
- Synthesis and Surface Properties of Novel Gemini Surfactants
- Review
- Alkyl Poly Glucosides (APGs) Surfactants and Their Properties: A Review