Quantitative treatment of bromide ion nucleophilicity in a microemulsion
The reaction of p-bromphenacylmethyl picryl ether with bromide ion was followed in a microemulsion of cetyltrimethylammonium bromide (CTABr), n-octane, and n-butyl or tert-amyl alcohol. The second-order rate constants in the microemulsion droplets were estimated from the concentration of Br- in the droplets determined electrochemically. These rate constants are insensitive to the composition of the microemulsion, are similar to those in CTABr micelles in water and in aqueous n-butyl, n-hexyl, and tert-amyl alcohol, and are slightly higher than those estimated for the reaction in water. They are smaller than rate constants in the water-alcohol mixtures of relatively low water content. 37 references.
- OSTI ID:
- 5969857
- Journal Information:
- J. Phys. Chem.; (United States), Journal Name: J. Phys. Chem.; (United States) Vol. 86:25; ISSN JPCHA
- Country of Publication:
- United States
- Language:
- English
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CHEMICAL REACTION KINETICS
COLLOIDS
DATA
DISPERSIONS
EMULSIONS
ENERGY SOURCES
ENHANCED RECOVERY
EXPERIMENTAL DATA
FLUID INJECTION
FOSSIL FUELS
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KINETICS
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MISCIBLE-PHASE DISPLACEMENT
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PETROLEUM
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