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Journal of Dispersion Science and Technology Volume 24, 2003 - Issue 2
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Original Articles

Isomerization of Malachite Green in CTAB/n‐CnH2n+1OH/H2O Mixed Micelles

Weiya Liu Chemistry Department, Yangzhou University, Yangzhou, 225002, China
,
Rong Guo Chemistry Department, Yangzhou University, Yangzhou, 225002, ChinaCorrespondence[email protected]
&
Xia Guo Chemistry Department, Yangzhou University, Yangzhou, 225002, China
Pages 219-228 | Received 16 Mar 2002, Accepted 26 Oct 2002, Published online: 06 Feb 2007
 
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Abstract

The interaction between malachite green (MG) and CTAB/n‐C n H2n + 1OH/H2O mixed micelles is studied by UV–Vis and fluorescent spectroscopy. The results show that MG can isomerize in CTAB micelles, but the isomerization effect decreases in CTAB‐alcohol mixed micelles with the increase of the concentration and the chain length of alcohol. Further studies indicate that MG can be located in the outside of the palisade of CTAB‐alcohol mixed micelles. The distribution coefficient KD of MG between CTAB‐alcohol mixed micelles and the aqueous phase increases with the concentration and the chain length of alcohol.

Acknowledgment

The project was supported by the Natural Scientific Foundation of China (No. 20073038).

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