| 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 |
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| 引用本文： | 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). |
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| 作者姓名： | 严峰 王显光 曹绪龙 宋新旺 李振泉 赵濉 安静仪 俞稼镛 |
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| 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.
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| 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 |
CMC Determination of Sodium N-(α-Alkylphenoxy)-Tetradecanoyltaurate by Fluorescence Method |
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| 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). |
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| Authors: | YAN Feng WANG Xian-guang CAO Xu-long SONG Xin-wang LI Zhen-quan ZHAO Sui AN Jing-yi YU Jia-yong |
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| 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. |
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| Keywords: | surfactant sodium N-(α-alkylphenoxy)-tetradecanoyltaurate self-fluorescence emission spectra probe fluorescence emission spectra critical micelle concentration |
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