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离子色谱法测定河流中乙酸、丙酸和丁酸含量的研究
引用本文:张银平,王海燕,薛耀华,孙春宝,张伟华,周岳溪,王业耀.离子色谱法测定河流中乙酸、丙酸和丁酸含量的研究[J].中国环境监测,2011,27(1):21-24.
作者姓名:张银平  王海燕  薛耀华  孙春宝  张伟华  周岳溪  王业耀
作者单位:1. 中国环境科学研究院水污染控制技术研究中心,北京,100012;北京科技大学土木与环境工程学院,北京,100083
2. 中国环境科学研究院水污染控制技术研究中心,北京,100012
3. 沈丘县环境监测站,河南,沈丘,466300
4. 北京科技大学土木与环境工程学院,北京,100083
5. 中国环境科学研究院水污染控制技术研究中心,北京,100012;湖南农业大学资源环境学院,湖南,长沙,410128
6. 中国环境科学研究院水污染控制技术研究中心,北京,100012;中国环境监测总站,北京,100012
基金项目: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。

关 键 词:离子色谱    乙酸    丙酸    丁酸    电导检测
收稿时间:1/8/2010 12:00:00 AM
修稿时间:2010/3/15 0:00:00

Determination of Acetic Acid, Propionic Acid and Butyric Acid Concentration in the River Water Sample by Ion-Chromatography
ZHANG Yin-ping.Determination of Acetic Acid, Propionic Acid and Butyric Acid Concentration in the River Water Sample by Ion-Chromatography[J].Environmental Monitoring in China,2011,27(1):21-24.
Authors:ZHANG Yin-ping
Institution:Research Center for the Water Pollution Control Technology, Chinese Research Academy of Environmental Sciences, Beijing 100012; Civil and Environment Engineering School, University of Scince and Technology Beijing, Beijing 100083;Research Center for the Water Pollution Control Technology, Chinese Research Academy of Environmental Sciences, Beijing 100012;Henan Shenqiu County Environmental Monitoring Station;Civil and Environment Engineering School, University of Scince and Technology Beijing, Beijing 100083;Research Center for the Water Pollution Control Technology, Chinese Research Academy of Environmental Sciences, Beijing 100012; College of Resources and Environment, Hu, Hunan Agricultural University, Changsha 410128;Research Center for the Water Pollution Control Technology, Chinese Research Academy of Environmental Sciences, Beijing 100012;Research Center for the Water Pollution Control Technology, Chinese Research Academy of Environmental Sciences, Beijing 100012; China national Environmental Monitoring Centre, Beijing,100012
Abstract: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%.
Keywords:Ion chromatography  Acetic acid  Propionic acid  Butyric acid  Conductometric detector
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