当前位置: 首页 > 文章 > 气相色谱-质谱法测定土壤中16种多环芳烃 安徽农业科学 2019,47 (14) 220-223
Position: Home > Articles > Determination of 16 Polycyclic Aromatic Hydrocarbons in Soil by Gas Chromatography-mass Spectrometry Journal of Anhui Agricultural Sciences 2019,47 (14) 220-223

气相色谱-质谱法测定土壤中16种多环芳烃

作  者:
冯小康;朱强
单  位:
苏州国环环境检测有限公司
关键词:
气相色谱-质谱法;多环芳烃;快速溶剂萃取;土壤
摘  要:
[目的]建立利用快速溶剂萃取(ASE)前处理技术,气相色谱-质谱联用仪(GC-MS)分析土壤中的16种多环芳烃(PHAs)的分析方法.[方法]比较不同萃取方式、不同萃取温度、不同溶剂等对加标回收的影响.样品和硅藻土一起加入快速溶剂萃取仪的萃取池中,用丙酮-正己烷(1:1)在100℃条件下萃取,萃取液经过浓缩、净化、再浓缩,上机检测.[结果]16种PHAs线性关系良好,相关系数>0.99,加标回收率76%~119%,精密度(RSD)<10%.[结论]该方法快速准确,且成本较低,非常适合土壤中的PHAs的检测.
译  名:
Determination of 16 Polycyclic Aromatic Hydrocarbons in Soil by Gas Chromatography-mass Spectrometry
作  者:
FENG Xiao-kang;ZHU Qiang;Suzhou Guohuan Environmental Testing Co.Ltd.;
关键词:
Gas chromatography-mass spectrometry;;Polycyclic aromatic hydrocarbons;;Rapid solvent extraction;;Soil
摘  要:
[Objective]A rapid solvent extraction(ASE) pretreatment method was developed for the analysis of 16 polycyclic aromatic hydrocarbons(PHAS) in soil by gas chromatography-mass spectrometry(GC/MS).[Method]The effects of different extraction methods, extraction temperatures and solvents on the standard recovery were compared.Samples and diatomite join extraction accelerated solvent extraction apparatus with pool, with acetone-n-hexane(1∶1) at 100 ℃ under the condition of extraction, extraction liquid through concentration, purification and concentration, computer test.[Result]The linear relationship of 16 PHAS was good, the correlation coefficient was greater than 0.99, the standard recovery was 76%~119%, and the precision(RSD) was <10%.[Conclusion]This method is rapid, accurate and low-cost, which is very suitable for the detection of PHAS in soil.

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