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甲基紫光度法测定水中十二烷基磺酸钠
引用本文:冯泳兰,陈素林.甲基紫光度法测定水中十二烷基磺酸钠[J].环境监测管理与技术,2008,20(2):28-29.
作者姓名:冯泳兰  陈素林
作者单位:衡阳师范学院化学与材料科学系,湖南,衡阳,421008
摘    要:在氢氧化钠介质中,基于甲基紫与十二烷基磺酸钠的显色反应,建立了甲基紫光度法测定水中十二烷基磺酸钠的方法,确定了最佳试验条件,试验了共存离子的影响。方法在0mg/L-48mg/L范围内线性关系良好,检出限为0.190mg/L,应用于模拟水样和环境水样中十二烷基磺酸钠的测定,结果与国标方法亚甲蓝法相吻合。

关 键 词:十二烷基磺酸钠  甲基紫  分光光度法  水质
文章编号:1006-2009(2008)02-0028-02
修稿时间:2007年7月16日

Determ ination of Sodium DodecylSulfonatein Surface Water by Spectrophotometry with M ethyl Violet
FENG Yong-lan,CHEN Su-lin.Determ ination of Sodium DodecylSulfonatein Surface Water by Spectrophotometry with M ethyl Violet[J].The Administration and Technique of Environmental Monitoring,2008,20(2):28-29.
Authors:FENG Yong-lan  CHEN Su-lin
Institution:FENG Yong-lan, CHEN Su-lin (Department of Chemistry and Materials Science, Hengyang Normal University, Hengyang, Hunan 421008, China)
Abstract:Based on color reaction of methyl violet and sodium dodecylsulfonate in the sodium hydroxide solution,the method was established for determination of sodium dodecylsulfonate in the water. The best test condition was confirmed and the coexistence ion influence was tested. The cllibration curve was good linear in the range of 0 mg/L- 48 mg/L and limit of detection was 0. 190 mg/L. The results of sodium dodecylsulfonate determination in the simulation water samples and the environment water samples equaled to that of GB methylen blue.
Keywords:Sodium dodecylsulfonate  Methylviolet  Spectrophotometry  Waterquality
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