气相色谱/三重四极杆串联质谱法检测土壤中氯代多环芳烃和溴代多环芳烃
采用气相色谱-三重串联四极杆质谱联用仪(GC-QQQ-MS/MS)建立了同时检测土壤样品中19种氯代多环芳烃(Cl-PAHs)和8种溴代多环芳烃(Br-PAHs)的方法。采用正己烷-二氯甲烷(1:1,V/V)混合溶剂提取样品中的待测组分,经中性硅胶柱、双层碳可逆管柱净化后,采用GC-QQQ-MS/MS在多反应监测(MRM)模式下进行内标法定量。仪器分析条件:EI模式,多反应监测(MRM),电离电压70eV;DB-5MS毛细管柱(60m×0.25mmi.d.,0.25μm);进样口、离子源、四极杆和传输线温度分别为:280,230,150和300℃;碰撞流量1.5mL/min,淬火流量2.25m...
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Published in | 分析化学 Vol. 41; no. 12; pp. 1825 - 1830 |
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Main Author | |
Format | Journal Article |
Language | Chinese |
Published |
中国科学院广州地球化学研究所有机国家重点实验室,广州510640
2013
中国科学院研究生院,北京100039%中国科学院广州地球化学研究所有机国家重点实验室,广州,510640 |
Subjects | |
Online Access | Get full text |
ISSN | 0253-3820 |
DOI | 10.3724/SP.J.1096.2013.20434 |
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Abstract | 采用气相色谱-三重串联四极杆质谱联用仪(GC-QQQ-MS/MS)建立了同时检测土壤样品中19种氯代多环芳烃(Cl-PAHs)和8种溴代多环芳烃(Br-PAHs)的方法。采用正己烷-二氯甲烷(1:1,V/V)混合溶剂提取样品中的待测组分,经中性硅胶柱、双层碳可逆管柱净化后,采用GC-QQQ-MS/MS在多反应监测(MRM)模式下进行内标法定量。仪器分析条件:EI模式,多反应监测(MRM),电离电压70eV;DB-5MS毛细管柱(60m×0.25mmi.d.,0.25μm);进样口、离子源、四极杆和传输线温度分别为:280,230,150和300℃;碰撞流量1.5mL/min,淬火流量2.25mL/min;载气,He(1.0mL/min)。结果表明:d-PAHs,Cl-PAHs和Br-PAHs回收率在70%~118%之间,相对标准偏差(RSD)≤12%,仪器检出限在0.4~5.0pg之间。将该方法应用于我国某地区土壤样品的分析,移Cl-PAHs和移Br-PAHs浓度分别在725~1012pg/g和3532~5924pg/g之间。 |
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AbstractList | 采用气相色谱-三重串联四极杆质谱联用仪(GC-QQQ-MS/MS)建立了同时检测土壤样品中19种氯代多环芳烃(Cl-PAHs)和8种溴代多环芳烃(Br-PAHs)的方法。采用正己烷-二氯甲烷(1:1,V/V)混合溶剂提取样品中的待测组分,经中性硅胶柱、双层碳可逆管柱净化后,采用GC-QQQ-MS/MS在多反应监测(MRM)模式下进行内标法定量。仪器分析条件:EI模式,多反应监测(MRM),电离电压70eV;DB-5MS毛细管柱(60m×0.25mmi.d.,0.25μm);进样口、离子源、四极杆和传输线温度分别为:280,230,150和300℃;碰撞流量1.5mL/min,淬火流量2.25mL/min;载气,He(1.0mL/min)。结果表明:d-PAHs,Cl-PAHs和Br-PAHs回收率在70%~118%之间,相对标准偏差(RSD)≤12%,仪器检出限在0.4~5.0pg之间。将该方法应用于我国某地区土壤样品的分析,移Cl-PAHs和移Br-PAHs浓度分别在725~1012pg/g和3532~5924pg/g之间。 采用气相色谱-三重串联四极杆质谱联用仪(GC-QQQ-MS/MS)建立了同时检测土壤样品中19种氯代多环芳烃(Cl-PAHs)和8种溴代多环芳烃(Br-PAHs)的方法.采用正己烷-二氯甲烷(1∶1,V/V)混合溶剂提取样品中的待测组分,经中性硅胶柱、双层碳可逆管柱净化后,采用GC-QQQ-MS/MS在多反应监测(MRM)模式下进行内标法定量.仪器分析条件:EI模式,多反应监测(MRM),电离电压70 eV; DB-5 MS毛细管柱(60m×0.25 mm i.d.,0.25 μm);进样口、离子源、四极杆和传输线温度分别为:280,230,150和300℃;碰撞流量1.5 mL/min,淬火流量2.25 mL/min;载气,He(1.0 mL/min).结果表明:d-PAHs,Cl-PAHs和Br-PAHs回收率在70% ~ 118%之间,相对标准偏差(RSD)≤12%,仪器检出限在0.4 ~5.0 pg之间.将该方法应用于我国某地区土壤样品的分析,∑Cl-PAHs和∑Br-PAHs浓度分别在725~1012 pg/g和3532~ 5924 pg/g之间. |
Author | 莫李桂 马盛韬 李会茹 于志强 盛国英 傅家谟 |
AuthorAffiliation | 中国科学院广州地球化学研究所有机国家重点实验室,广州510640 中国科学院研究生院,北京100039 |
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Author_FL | FU Jia-Mo LI Hui-Ru YU Zhi-Qiang SHENG Guo-Ying MA Sheng-Tao MO Li-Gui |
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DocumentTitleAlternate | Determination of Chlorinated- and Brominated- Polycyclic Aromatic Hydrocarbons in Soil Samples by Gas Chromatography Coupled with Triple Quadrupole Mass Spectrometry |
DocumentTitle_FL | Determination of Chlorinated-and Brominated-Polycyclic Aromatic Hydrocarbons in Soil Samples by Gas Chromatography Coupled with Triple Quadrupole Mass Spectrometry |
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Keywords | Chlorinated-polycyclic aromatic hydrocarbon Brominated polycyclic aromatic hydrocarbon Soil Gas chromatography-triple quadrupole mass spectrometry 氯代多环芳烃 溴代多环芳烃 气相色谱-三重四极杆串联质谱 土壤 |
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Notes | In this study, simultaneous determination of C1-PAHs and Br-PAHs was developed by gas chromatography coupled to triple quadrupole mass spectrometry (GC-QQQ-MS/MS). Soil samples were exacted and cleaned through silica gel column, dual-layer carbon reversible column respectively, after that, 19 congeners of C1-PAHs and 8 congeners of Br-PAHs were quantified. The GC-QQQ-MS/MS analysis condition was: EI and Multi-reaction monitoring (MRM) model, the electron emission energy was 70 eV; DB-5 MS fused silica capillary column (60 m × 0.25mm, 0.25 μm) ; the temperatures of injection, ion source, quadrupole and transfer line were 280, 230, 150 and 300 ℃, respectively. The collision and quenching flow were 1. 5 and 2. 25 mL/min, respectively. The carrier gas was Helium with the flow 1.0 mL/min. The results showed that the relative standard deviation (RSD) of parallel standard reference sample were ~〈 12.0%, and the recoveries of d-PAHs, C1-PAHs and Br-PAHs were between 70% -118%. The instrument detection limits of Cl-PA |
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Title | 气相色谱/三重四极杆串联质谱法检测土壤中氯代多环芳烃和溴代多环芳烃 |
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