| 固相萃取搅拌棒萃取-气相色谱分析海水中的多环芳烃 |
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| 引用本文： | 徐媛,刘文民,赵景红,关亚风.固相萃取搅拌棒萃取-气相色谱分析海水中的多环芳烃[J].分析化学,2005,33(10):1401-1404. |
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| 作者姓名： | 徐媛 刘文民 赵景红 关亚风 |
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| 作者单位： | 中国科学院大连化学物理研究所现代分析与微型仪器研究室,大连116023 |
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| 摘 要： | 利用固相萃取搅拌棒（SBSE）萃取海水中的多环芳烃，然后用热解吸脱附-气相色谱分析。研究了萃取时间、添加NaCl浓度对萃取效率的影响。实验结果表明，SBSE方法对16种多环芳烃的萃取回收率分别在33．5％～122．4％之间；对标准样品的检出限为2．74-13．5ng／L；方法RSD为3．8％～13．1％。用此方法测定了大连海岸海水中的多环芳烃含量。
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| 关 键 词： | 固相微萃取搅拌棒 热解吸 多环芳烃 样品预处理 气相色谱 |
| 收稿时间： | 09 13 2004 12:00AM |
| 修稿时间： | 2004-09-132005-05-14 |
Determination of Polycyclic Aromatic Hydrocarbons in Seawater Using Stir Bar Sorptive Extraction-Gas Chromatography |
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| Xu Yuan, Liu Wenmin, Zhao Jinghong, Guan Yafeng.Determination of Polycyclic Aromatic Hydrocarbons in Seawater Using Stir Bar Sorptive Extraction-Gas Chromatography[J].Chinese Journal of Analytical Chemistry,2005,33(10):1401-1404. |
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| Authors: | Xu Yuan Liu Wenmin Zhao Jinghong Guan Yafeng |
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| Institution: | Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116012 |
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| Abstract: | The determination of polycyclic aromatic hydrocarbons(PAHs) in seawater was performed by stir bar sorptive extraction(SBSE)-thermal desorption and gas chromatogrpahic(GC) analysis.The extraction conditions such as extraction time and addition of salt were studied.The recoveries of the method were at the range of 33.5%~122.4% for 16 PAHs.The limits of detection were 2.74~13.5 ng/L,the RSDs of the method were 3.8~13.1%.The PAHs in real life samples from the beaches of Dalian were determined by using SBSE-GC. |
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| Keywords: | Stir bar sorptive extraction thermal desorption polycyclic aromatic hydrocarbons sample pretreatment gas chromatography |
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