离子色谱法测定河流中乙酸、丙酸和丁酸含量的研究  

Determination of Acetic Acid,Propionic Acid and Butyric Acid Concentration in the River Water Sample by Ion- Chromatography

作　　者：张银平[1,2] 王海燕[1] 薛耀华[3] 孙春宝[2] 张伟华[1,4] 周岳溪[1] 王业耀[1,5] 

机构地区：[1]中国环境科学研究院水污染控制技术研究中心,北京100012 [2]北京科技大学土木与环境工程学院,北京100083 [3]沈丘县环境监测站,河南沈丘466300 [4]湖南农业大学资源环境学院,湖南长沙410128 [5]中国环境监测总站,北京100012

出　　处：《中国环境监测》2011年第1期21-24,共4页Environmental Monitoring in China

基　　金：国家水体污染控制与治理科技重大专项(2008ZX07207-010-4)

摘　　要：建立一种用离子色谱法同时分离测定被污染河流水中微量乙酸、丙酸和丁酸的方法。采用IonPac AS11-HC阴离子分离柱,5mM NaOH淋洗液,流速1.0ml/min。结果表明,乙酸、丙酸、丁酸的检出限按峰高计分别为0.258、0.294、0.374mg/L;按峰面积计分别为0.350、0.421、0.588mg/L。乙酸、丙酸、丁酸的保留时间、峰高、峰面积的变异系数RSD在0.03%～3.92%之间。对某河流水样分析,乙酸、丙酸、丁酸的回收率在99.6%～107.6%间。IC method for determination of acetic acid,propionic acid and butyric acid concentration of the river water sample was built up in this research.These experiments was carried out under the follow conditions,i.e.IonPac AS11-HC anion separation column,5mM NaOH eluent,and the 1.0mL /min flow rate.The research results showed that miminum detection limits of the method for Acetic acid,propionic acid and butyric acid was 0.258,0.294,0.374mg /L by the peak height,or 0.258,0.294,0.374mg /L by the peak area respectively.The RSD of retention time,peak height and peak area of acetic acid,propionic acid and butyric acid was 0.03% ～ 3.92%.River water samples testing by this above mentioned method showed that the recovery of acetic acid,propionic acid and butyric acid in these samples was 99.6% ～ 107.6%.

关 键 词：离子色谱 乙酸 丙酸 丁酸 电导检测 

分 类 号：X832[环境科学与工程—环境工程]