SPECTROPHOTOMETRIC DETERMINATION OF CTMAB AND CPB WITH AMIDO BLACK 10B AND ITS REACTION MECHANISM
![](/skin/Gold/line_sep1.gif)
摘 要
在弱酸性的乙酸盐介质中,阳离子表面活性剂(CS)与氨基黑10B(AB)染料反应,形成离子缔合物,溶液颜色发生明显褪色,最大吸收在616 nm,CS的浓度在0-2.17×10-5mol·L-1(CPB)、0-2.09×10-5mol·L-1(CTMAB)范围内遵守比耳定律,表观摩尔吸光系数为2.16×104L·mol-1·cm-1(CPB)、1.93×104L·mol-1·cm-1)(CTMAB),检出限为7.64×10-7mol·L-1(CPB)、1.31×10-6mol·L-1(CTMAB).用于水样中CS的测定,还用密度泛函理论对反应机理进行了探讨,结果与试验事实相符合.
![](flash/relate.gif)
![](flash/relate.gif)
![](flash/relate.gif)
![](flash/relate.gif)
![](flash/relate.gif)
![](flash/relate.gif)
![](flash/relate.gif)
![](flash/relate.gif)
![](flash/relate.gif)
![](flash/relate.gif)
Abstract
Based on the color-fading reaction between amido black 10B (AB) and cationic surfactant in a weakly acidic medium of acetate buffer,sensitive spectrophotometric methods for the determination of CTMAB and CPB were proposed.The ion-association reaction between AB and CTMAB was carried out in an acetate buffer medium of pH 2.20,and the reaction between AB and CPB in an acetate medium of pH 3.60.Beer′s law was obeyed in the range of 0-2.09×10-5mol·L-1 (for CTMAB) and in the range of 0-2.17×10-5mol·L-1 (for CPB),with apparent molar absorptivity of 1.93×104L·mol-1·cm-1 and 2.16×104L·mol-1·cm-1 respectively.The detection limit for CTMAB was found to be 1.31×10-6mol·L-1,and for CPB was found to be 7.64×10-7mol·L-1.The proposed methods have been applied to the determination of cationic surfactants in water samples,giving values for RSD′s less than 1.5%,and recoveries in the range of 98.9%-101.0%.A study on the mechanism of the ion-association reaction between AB and cationic surfactant was also made by the density functional theory of quantum chemistry,the results obtained were in conformity with the experimental facts.
中图分类号 O657.32
所属栏目 试验与研究
基金项目
收稿日期 2005/8/31
修改稿日期
网络出版日期
![](/skin/blank.gif)
作者单位点击查看
![](/skin/blank.gif)
备注秦宗会(1967-),男,重庆丰都人,副教授,主要研究方向为光谱分析.
引用该论文: QIN Zong-hui. SPECTROPHOTOMETRIC DETERMINATION OF CTMAB AND CPB WITH AMIDO BLACK 10B AND ITS REACTION MECHANISM[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2006, 42(6): 426~429
秦宗会. 氨基黑10B褪色光度法测定两种阳离子表面活性剂及其作用机理[J]. 理化检验-化学分册, 2006, 42(6): 426~429
![](skin/blank.gif)
被引情况:
![](/skin/Gold/line_sep1.gif)
【1】秦宗会, "盐酸吡格列酮-乙基曙红荷移光度测定法",理化检验-化学分册 45, 390-393(2009)
【2】秦宗会,沈光明,胡武洪, "分光光度法测定水样中阴离子表面活性剂-基于溴甲酚紫和溴化十六烷基吡啶混合溶液间增色反应",理化检验-化学分册 44, 874-877(2008)
共有人对该论文发表了看法,其中:
人认为该论文很差
人认为该论文较差
人认为该论文一般
人认为该论文较好
人认为该论文很好
![请选择您对本文的评价](/skin/Gold/evaluation/ev_01.gif)
![您认为本文一无是处!](/skin/Gold/evaluation/ev_02.gif)
![您认为本文较差,没啥用!](/skin/Gold/evaluation/ev_03.gif)
![您认为本文一般,没太大参考价值](/skin/Gold/evaluation/ev_04.gif)
![您认为本文尚可,值得参考](/skin/Gold/evaluation/ev_05.gif)
![您认为本文很好,值得推荐](/skin/Gold/evaluation/ev_06.gif)
参考文献
【1】Richmond J M.Surfactant Science Series,Cat Ionic Surfactants: Organic Chemistry[M].New York: Marce lDekker Inc,1990.
【2】黄传敬.阳离子表面活性剂与溴酚红的显色反应及其分析应用[J].光谱学与光谱分析,2000,20(2):252-255.
【3】黄应平,蔡汝秀.亮绿褪色反应用于微量季铵型阳离子表面活性剂的分光光度法测定研究[J].分析科学学报,2001,17(2):97-101.
【4】冯泳兰,邝代治,许金生,等.1-(5-萘酚-7-磺酸)-3-[4-(苯基偶氮)苯基]-三氮烯的合成及与阳离子表面活性剂的显色反应[J].分析化学,2002,30(2):189-191.
【5】杨卓,刘绍璞,刘忠芳,等.某些酸性三苯甲烷染料与阳离子表面活性剂相互作用的共振瑞利散射光谱及其分析应用[J].高等学校化学学报,2004,25(6):1040-1042.
【6】刘绍璞,刘忠芳,李康业.阳离子表面活性剂与曙红Y的荧光反应及其分析应用[J].化学学报,1995,53:473-479.
【7】马志东,郭忠,张文德.吡啶阳离子表面活性剂的示波极谱测定方法研究[J].理化检验-化学分册,2003,39(6):334-335.
【8】周原,刘新玲,郭前进.阳离子表面活性剂的间接原子吸收分光光度法测定[J].分析测试学报,2003,22(4):93-95.
【2】黄传敬.阳离子表面活性剂与溴酚红的显色反应及其分析应用[J].光谱学与光谱分析,2000,20(2):252-255.
【3】黄应平,蔡汝秀.亮绿褪色反应用于微量季铵型阳离子表面活性剂的分光光度法测定研究[J].分析科学学报,2001,17(2):97-101.
【4】冯泳兰,邝代治,许金生,等.1-(5-萘酚-7-磺酸)-3-[4-(苯基偶氮)苯基]-三氮烯的合成及与阳离子表面活性剂的显色反应[J].分析化学,2002,30(2):189-191.
【5】杨卓,刘绍璞,刘忠芳,等.某些酸性三苯甲烷染料与阳离子表面活性剂相互作用的共振瑞利散射光谱及其分析应用[J].高等学校化学学报,2004,25(6):1040-1042.
【6】刘绍璞,刘忠芳,李康业.阳离子表面活性剂与曙红Y的荧光反应及其分析应用[J].化学学报,1995,53:473-479.
【7】马志东,郭忠,张文德.吡啶阳离子表面活性剂的示波极谱测定方法研究[J].理化检验-化学分册,2003,39(6):334-335.
【8】周原,刘新玲,郭前进.阳离子表面活性剂的间接原子吸收分光光度法测定[J].分析测试学报,2003,22(4):93-95.
相关信息