Ionic liquid for high temperature headspace liquid-phase microextraction of chlorinated anilines in environmental water samples
文献类型：会议论文
| 作者 | Peng, JF; Liu, JF; Jiang, GB; Tai, C; Huang, MJ |
| 出版日期 | 2005 |
| 会议名称 | 6th International Symposium on Advances in Extraction Technologies (ExTech 2004) |
| 会议日期 | SEP 06-08, 2004 |
| 会议地点 | Leipzig, GERMANY |
| 关键词 | headspace liquid-phase microextraction high temperature ionic liquid chlorinated anilines wastewater |
| 英文摘要 | Based on the non-volatility of room temperature ionic liquids (IL),1-butyl-3-methylimidazolium hexafluorophosphate ([C4MIM][PF6]) IL was employed as an advantageous extraction solvent for high temperature headspace liquid-phase microextraction (LPME) of chloroanilines in environmental water samples. At high temperature of 90 degrees C, 4-chloroaniline, 2-chloroaniline, 3,4-dichloroaniline, and 2,4-dichloroaniline were extracted into a 10 mu l drop of [C4MIM][PF6] suspended on the needle of a high-performance liquid chromatography (HPLC) microsyringe held at the headspace of the samples. Then, the IL was injected directly into the HPLC system for determination. Parameters related to LPME were optimized, and high selectivity and low detection limits of the four chlorinated anilines were obtained because the extraction was performed at high temperature in headspace mode and the very high affinity between IL and chlorinated anilines. The proposed procedure was applied for the analysis of the real samples including tap water, river water and wastewater samples from a petrochemical plant and a printworks, and only 3,4-dichloroaniline was detected in the printworks wastewater at 88.2 [mu g l(-1) level. The recoveries for the four chlorinated anilines in the four samples were all in the range of 81.9-99.6% at 25 mu g l(-1) spiked level. (c) 2004 Elsevier B.V. All rights reserved. |
| ISSN号 | 0021-9673 |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/24763]  |
| 专题 | 生态环境研究中心_环境化学与生态毒理学国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Peng, JF,Liu, JF,Jiang, GB,et al. Ionic liquid for high temperature headspace liquid-phase microextraction of chlorinated anilines in environmental water samples[C]. 见:6th International Symposium on Advances in Extraction Technologies (ExTech 2004). Leipzig, GERMANY. SEP 06-08, 2004. |
入库方式： OAI收割
来源：生态环境研究中心
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