Interpreting diffusion coefficients of electrochemical probes in oil-in-water microemulsions

被引：19
|
作者：
Mackay, RA [1 ]
Myers, SA [1 ]
BrajterToth, A [1 ]
机构：
[1] USA,CTR CHEM RES DEV & ENGN,ABERDEEN PROVING GROUND,MD 21020
来源：
ELECTROANALYSIS | 1996年 / 8卷 / 8-9期
关键词：
SDS/dodecane/1-pentanol/0.1M NaClaq anionic oil-in-water microemulsion structure determination; electrochemical methods; ferrocene; Fe(CN)(6)(3-); methyl viologen; apparent diffusion coefficients;
D O I：
10.1002/elan.1140080810
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The relationship between apparent diffusion coefficients, D', of electroactive probe and the microstructure of an oil-in-water anionic microemulsion, sodium dodecyl sulfate (SDS)/dodecane/1-pentanol/0.1M NaClaq has been investigated. Three probes, ferrocene (Fc), Fe(CN)(6)(3-) and methyl viologen (MV(2+)) allowed the effect of different microstructure and interactions on the D'-values to be investigated. The results indicate that the droplet as well as bicontinuous microemulsion structures can be identified and point to the effects of cross-phase exchange, partitioning, and multiple binding on the D'-values.
引用
收藏
页码：759 / 764
页数：6
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