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Citation: ZHANG Jian, QIU Yu, YU Dao-Yong. Critical Micelle Concentration Determination of Sodium Dodecyl Benzene Sulfonate by Synchronous Fluorescence Spectrometry[J]. Chinese Journal of Applied Chemistry, ;2009, 26(6): 1480-1483. shu

Critical Micelle Concentration Determination of Sodium Dodecyl Benzene Sulfonate by Synchronous Fluorescence Spectrometry

1.
Center for Bioengineering and Biotechnology, College of Chemistry and Chemical Engineering, China University of Petroleum, Qingdao 266555

Corresponding author: YU Dao-Yong,
Received Date: 18 February 2009
Available Online: 9 April 2009
Fund Project: 国家自然科学基金(20773164)资助项目 (20773164)

The critical micelle concentration of sodium dodecyl benzene sulfonate,which is a typical anion surfactant,was respectively determined by surface tension,electrical conductivity,UV-Vis absorption spectral and synchronous fluorescence spectral methods.Results show that synchronous fluorescence spectral method is characterized by less sample volume,high sensitivity,and high accuracy.The first and the second critical micelle concentrations were determined by the synchronous fluorescence spectral method to be 1.48 and 6.90 mmol/L respectively,which are well consistent with those data from the traditional surface tension and electrical conductivity methods,thus,verifying the reliability of synchronous fluorescence spectrometry to measure the critical micelle concentrations of surfactants.
- surfactant,
- sodium dodecyl benzene sulfonate,
- synchronous fluorescence spectrum,
- critical micelle concentration
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