荧光法测定N-(α-烷苯氧基)十四酰基牛磺酸钠的临界胶束浓度

doi:10.7517/j.issn.1674-0475.2007.02.115

影像科学与光化学 ›› 2007, Vol. 25 ›› Issue (2): 115-122.DOI: 10.7517/j.issn.1674-0475.2007.02.115

荧光法测定N-(α-烷苯氧基)十四酰基牛磺酸钠的临界胶束浓度

严峰^1,2, 王显光^1,2, 曹绪龙³, 宋新旺³, 李振泉³, 赵濉¹, 安静仪¹, 俞稼镛¹

1. 中国科学院, 理化技术研究所, 北京, 100080;
2. 中国科学院, 研究生院, 北京, 100039;
3. 中国石化胜利油田分公司, 地质科学研究院, 山东, 东营, 257015

收稿日期:2006-07-26 修回日期:2006-12-21 出版日期:2007-03-23 发布日期:2007-03-23
通讯作者: 赵濉,俞稼镛,电话:010-82543587.

CMC Determination of Sodium N-(α-Alkylphenoxy)-Tetradecanoyltaurate by Fluorescence Method

YAN Feng^1,2, WANG Xian-guang^1,2, CAO Xu-long³, SONG Xin-wang³, LI Zhen-quan³, ZHAO Sui¹, AN Jing-yi¹, YU Jia-yong¹

1. Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100080, P. R. China;
2. Graduate University of the Chinese Academy of Sciences, Beijing 100039, P. R. China;
3. Geological Research Institute of Shengli Oilfield Co.Ltd, SINOPEC, Dongying 257015, Shandong, P. R. China

Received:2006-07-26 Revised:2006-12-21 Online:2007-03-23 Published:2007-03-23

摘要/Abstract

摘要： 研究了一类以苯氧基作疏水支链的新型阴离子表面活性剂——N-(α-烷苯氧基)十四酰基牛磺酸钠(SAPTT)水溶液的紫外吸收光谱、探针(芘)稳态荧光发射光谱及自身稳态荧光发射光谱性质.研究结果表明,荧光探针(芘)法和自身稳态荧光法可用来测定这类表面活性剂的临界胶束浓度(CMC),且测定结果与表面张力法(吊片法)接近;与荧光探针(芘)法相比,对于所研究体系,自身稳态荧光法的灵敏度和准确性均较高,所测得CMC结果与表面张力法(吊片法)能较好地吻合.

关键词: 表面活性剂, N-(α-烷苯氧基)十四酰基牛磺酸钠, 自身稳态荧光发射, 稳态荧光探针法, 临界胶束浓度

Abstract: Ultraviolet absorption spectra,probe(pyrene) fluorescence emission spectra,and self-fluorescence emission spectra of aqueous solution of sodium N-(α-alkylphenoxy)-tetradecanoyltaurate(SAPTT) were investigated.It indicated that both probe(pyrene) fluorescence emission spectra method and self-fluorescence emission spectra method could be used to determine the critical micelle concentration (CMC) of sodium N-(α-alkylphenoxy)-tetradecanoyltaurate.The self-fluorescence emission spectra method was compared with probe(pyrene) fluorescence emission spectra method and Wilhelmy-plate(surface tension) method,and its sensitivity and accuracy was evident.

Key words: surfactant, sodium N-(α-alkylphenoxy)-tetradecanoyltaurate, self-fluorescence emission spectra, probe fluorescence emission spectra, critical micelle concentration

中图分类号:

严峰, 王显光, 曹绪龙, 宋新旺, 李振泉, 赵濉, 安静仪, 俞稼镛. 荧光法测定N-(α-烷苯氧基)十四酰基牛磺酸钠的临界胶束浓度[J]. 影像科学与光化学, 2007, 25(2): 115-122.

YAN Feng, WANG Xian-guang, CAO Xu-long, SONG Xin-wang, LI Zhen-quan, ZHAO Sui, AN Jing-yi, YU Jia-yong. CMC Determination of Sodium N-(α-Alkylphenoxy)-Tetradecanoyltaurate by Fluorescence Method[J]. Imaging Science and Photochemistry, 2007, 25(2): 115-122.

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荧光法测定N-(α-烷苯氧基)十四酰基牛磺酸钠的临界胶束浓度

CMC Determination of Sodium N-(α-Alkylphenoxy)-Tetradecanoyltaurate by Fluorescence Method

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