Determination of 8 Kinds of Super Trace Dechloranes in Soil by Gas Chromatography-Triple Quadrupole Mass Spectrometry with Accelerated Solvent Extraction

郭晓辰; 饶竹; 李晓洁; 黎宁; 田芹; 潘萌; 佟玲; 杨志鹏; 田菲菲

doi:doi：10.3969/j.issn.1004-4957.2019.02.003

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Determination of 8 Kinds of Super Trace Dechloranes in Soil by Gas Chromatography-Triple Quadrupole Mass Spectrometry with Accelerated Solvent Extraction

更新时间：2023-04-18

- Determination of 8 Kinds of Super Trace Dechloranes in Soil by Gas Chromatography-Triple Quadrupole Mass Spectrometry with Accelerated Solvent Extraction
- Vol. 38, Issue 2, Pages: 141-147(2019)
- 作者机构：
  
  1. 国家地质实验测试中心
  2. 国家地质实验测试中心自然资源部生态地球化学重点实验室
  3. 中国建材检验认证集团股份有限公司
  4. 中国地质大学(武汉)材料与化学学院
  5. 岛津企业管理(中国)有限公司
- 作者简介：
- 基金信息：
- DOI：doi：10.3969/j.issn.1004-4957.2019.02.003
  CLC：
- Published：2019
- 稿件说明：
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郭晓辰, 饶竹, 李晓洁, 黎宁, 田芹, 潘萌, 佟玲, 杨志鹏, 田菲菲. Determination of 8 Kinds of Super Trace Dechloranes in Soil by Gas Chromatography-Triple Quadrupole Mass Spectrometry with Accelerated Solvent Extraction[J]. 2019, 38(2): 141-147.
DOI：

郭晓辰, 饶竹, 李晓洁, 黎宁, 田芹, 潘萌, 佟玲, 杨志鹏, 田菲菲. Determination of 8 Kinds of Super Trace Dechloranes in Soil by Gas Chromatography-Triple Quadrupole Mass Spectrometry with Accelerated Solvent Extraction[J]. 2019, 38(2): 141-147. DOI： doi：10.3969/j.issn.1004-4957.2019.02.003.

摘要

建立了加速溶剂萃取(ASE)/气相色谱-三重四极串联质谱(GC-MS/MS)测定土壤中灭蚁灵、顺式得克隆、反式得克隆、得克隆602、得克隆603、得克隆604及反式得克隆脱氯产物(anti-Cl10DP、anti-Cl11DP)8种超痕量新型高氯代阻燃剂的分析方法。样品经ASE在120 ℃条件下使用正己烷-丙酮(体积比1∶1)混合溶剂提取，石墨碳黑在线净化、GCB/PSA固相萃取柱进一步净化，采用质谱多反应监测(MRM)模式检测。结果显示，方法线性范围为3个数量级，8个目标物在低、中、高3个浓度水平土壤基质中的加标回收率为93.8%~107%、84.7%~101%、99.0%~108%，相对标准偏差为5.1%~13%、5.2%~8.3%、4.3%~6.6%，方法检出限为0.17 ~11.0 pg/g。将该方法应用于京杭大运河沿线部分城区、农村表层土壤中8种得克隆类化合物测定，发现顺式得克隆、反式得克隆、得克隆602和灭蚁灵4种目标物检出率较高，可达35.0%以上，其中得克隆产地淮安市土壤中顺式得克隆和反式得克隆最高含量分别达到6.50 ng/g和24.4 ng/g。

Abstract

An analytical method of gas chromatography-triple quadrupole mass spectrometry with accelerated solvent extraction(ASE) was established for the determination of 8 kinds of super trace high chlorinated flame retardants dechloranes in surface soil

including mirex

syn declorane

anti declorane

declorane 602

declorane 603

declorane 604

anti Cl10DP and anti Cl11DP.Soil samples were extracted by ASE with hexane-acetone(1∶1

by volume) mixed solvent at 120 ℃

then on line purified with graphitized carbon black and followed by GCB/PSA solid phase extraction column clean up.The extract was analyzed by GC-MS/MS in MRM mode.The spike recoveries of the method for 8 target compounds in soil at low

medium and high levels ranged from 938% to 107%

847% to 101% and 990% to 108% with the relative standard deviations of 51%-13%

52%-83% and 43%-66%

respectively.The detection limits were in the range of 017-110 pg/g.This method was applied in the analysis on the surface soil samples from some urban and rural areas along the Beijing-Hangzhou Grande Canale.Results showed that the detection rates for 4 compounds ie.syn declorane

anti declorane

declorane 602 and mirex were higher than the others

in which the highest rate reached up to 350%

and the highest concentrations of syn declorane

anti declorane in Huaian were 650 ng/g and 244 ng/g

respectively.

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