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当前位置: 首页 > 文章 > 加速溶剂萃取/固相萃取净化高效液相色谱质谱法测定土壤中16种多环芳烃的研究 安徽农业科学 2014 (3) 77-79+322
Position: Home > Articles > Determination of Sixteen Polycyclic Aromatic Hydrocarbons in Soil using Accelerated Solvent Eextraction/Solid Phase Extraction with High Performance Liquid Chromatography Journal of Anhui Agricultural Sciences 2014 (3) 77-79+322

加速溶剂萃取/固相萃取净化高效液相色谱质谱法测定土壤中16种多环芳烃的研究

作  者：
滕云梅;廖平德;黄宁;陈洋;刘杨
单  位：
广西壮族自治区环境监测中心站广西大学轻工与食品工程学院;广西壮族自治区环境监测中心站;辽宁省铁岭市畜产品安全检测站中国动物疫病预防控制中心
关键词：
加速溶剂萃取;固相萃取净化;高效液相色谱;多环芳烃;土壤
摘  要：
[目的]为准确、快速测定土壤中多环芳烃(PAHs)。[方法]以乙腈为溶剂,样品经加速溶剂萃取仪(ASE)萃取,提取液经除水、浓缩,再经Florisil柱净化,采用高效液相色谱-荧光-PDA二极管阵列测定土壤中16种PAHs。[结果]该方法的检出限为0.41~3.97μg/kg(以3倍性噪比计),加标水平为0.5~20.0 mg/L,基质加标回收率为81.3%~121.0%,相对标准偏差1.5%~8.8%。[结论]该方法有效去除杂质干扰,缩短前处理时间,具有高提取率、高回收率、良好的精密度、较高的准确度等优点,适用于土壤中PAHs的测定。
译  名：
Determination of Sixteen Polycyclic Aromatic Hydrocarbons in Soil using Accelerated Solvent Eextraction/Solid Phase Extraction with High Performance Liquid Chromatography
作  者：
TENG Yun-mei;Guangxi Province Environmental Monitoring Centre;
关键词：
Accelerated solvent extraction;;Solid phase extraction;;High performance liquid chromatography;;Polycyclic aromatic hydrocar-bons;;Soil
摘  要：
[Objective]The research aimed to obtain accurate and rapid determination of polycyclic aromatic hydrocarbons( PAHs) in soil. [Method]Using acetonitrile as the solvent,16 polycyclic aromatic hydrocarbons were extracted by accelerated solvent extraction( ASE). The extract was dehydrated and concentrated,and were purified by the Florisil solid phase extraction. [Result]The detection limits were 0. 41- 3. 97 μg/kg. The recoveries of the spiked sample( 0.5-20.0 mg/L) were 81.3%-121. 0%,with relative standard deviations were 1.5%-8.8%. [Conclusion]The method effectively removed impurities,and reduced extremely the preprocessor time. It was concluded that the method had high recovery,high sensitivity and good reproducibility. The developed analytical method had been applied successfully to the determination of PAHs in soil.

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