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土壤中短链氯化石蜡的气相色谱-电子捕获负化学电离-质谱分析方法

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韩双, 黄玉妹, 陈来国, 叶芝祥, 封永斌, 张素坤. 土壤中短链氯化石蜡的气相色谱-电子捕获负化学电离-质谱分析方法[J]. 环境化学, 2012, 31(12): 1916-1922.
引用本文: 韩双, 黄玉妹, 陈来国, 叶芝祥, 封永斌, 张素坤. 土壤中短链氯化石蜡的气相色谱-电子捕获负化学电离-质谱分析方法[J]. 环境化学, 2012, 31(12): 1916-1922.
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HAN Shuang, HUANG Yumei, CHEN Laiguo, YE Zhixiang, FENG Yongbin, ZHANG Sukun. Quantification of short-chain chlorinated paraffins in soil sample using GC-ECNI-LRMS[J]. Environmental Chemistry, 2012, 31(12): 1916-1922.
Citation: HAN Shuang, HUANG Yumei, CHEN Laiguo, YE Zhixiang, FENG Yongbin, ZHANG Sukun. Quantification of short-chain chlorinated paraffins in soil sample using GC-ECNI-LRMS[J]. Environmental Chemistry, 2012, 31(12): 1916-1922.
shu

土壤中短链氯化石蜡的气相色谱-电子捕获负化学电离-质谱分析方法

  • 1.

    成都信息工程学院资源环境学院, 成都, 610225;

  • 2.

    环境保护部华南环境科学研究所,城市环境研究中心, 广州, 510655

  • 基金项目:

    国家环保公益项目(200909090)资助.

Quantification of short-chain chlorinated paraffins in soil sample using GC-ECNI-LRMS

  • 1.

    College of Resources and Environment, Chengdu University of Information Technology, Chengdu, 610225, China;

  • 2.

    Research Center of Urban Environment, South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou, 510655, China

  • Fund Project:

  • 摘要: 通过考察层析柱对测定短链氯化石蜡(SCCPs)干扰物去除效果的影响,结合实际土壤样品的净化需求,建立了一套适合分析土壤中SCCPs的前处理方法.土壤样品使用索氏抽提,采用硅胶复合柱和弗罗里硅土柱净化,运用气相色谱-质谱(ECNI源)检测SCCPs.SCCPs的仪器定量限为100—600 pg·μL-1.空白加标和基质加标中SCCPs的回收率分别为130%± 8.50%和108%±17.8%(SD, n=3).利用该方法分析了采自广州市郊区的6个土壤样品,其SCCPs的含量范围为12.9—34.5 ng·g-1,平均值为26.1 ng·g-1.
    Abstract: By evaluating the cleanup efficiency of potential interfering substances in soil samples with two cleanup methods, we developed a new method for analysis of SCCPs in soil samples. The soil samples were Soxhlet extracted, cleaned up by multilayer silica gel column and then florisil column, and quantified using GC-ECNI-LRMS. The limit of quantification of SCCPs ranged from 100 to 600 pg·μL-1. The recoveries of SCCPs in blank spikes and matrix spikes were 130%±8.50% and 108%±17.8% (SD, n=3), respectively. Six soil samples collected from Guangzhou suburban area were analyzed using this method, with the SCCP concentrations ranging from 12.9 to 34.5 ng·g-1, and a mean value of 26.1 ng·g-1.
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  • 收稿日期:  2012-03-03
韩双, 黄玉妹, 陈来国, 叶芝祥, 封永斌, 张素坤. 土壤中短链氯化石蜡的气相色谱-电子捕获负化学电离-质谱分析方法[J]. 环境化学, 2012, 31(12): 1916-1922.
引用本文: 韩双, 黄玉妹, 陈来国, 叶芝祥, 封永斌, 张素坤. 土壤中短链氯化石蜡的气相色谱-电子捕获负化学电离-质谱分析方法[J]. 环境化学, 2012, 31(12): 1916-1922.
shu
HAN Shuang, HUANG Yumei, CHEN Laiguo, YE Zhixiang, FENG Yongbin, ZHANG Sukun. Quantification of short-chain chlorinated paraffins in soil sample using GC-ECNI-LRMS[J]. Environmental Chemistry, 2012, 31(12): 1916-1922.
Citation: HAN Shuang, HUANG Yumei, CHEN Laiguo, YE Zhixiang, FENG Yongbin, ZHANG Sukun. Quantification of short-chain chlorinated paraffins in soil sample using GC-ECNI-LRMS[J]. Environmental Chemistry, 2012, 31(12): 1916-1922.
shu

土壤中短链氯化石蜡的气相色谱-电子捕获负化学电离-质谱分析方法

  • 1.  成都信息工程学院资源环境学院, 成都, 610225;
  • 2.  环境保护部华南环境科学研究所,城市环境研究中心, 广州, 510655
  • 收稿日期:  2012-03-03
基金项目:

国家环保公益项目(200909090)资助.

摘要: 通过考察层析柱对测定短链氯化石蜡(SCCPs)干扰物去除效果的影响,结合实际土壤样品的净化需求,建立了一套适合分析土壤中SCCPs的前处理方法.土壤样品使用索氏抽提,采用硅胶复合柱和弗罗里硅土柱净化,运用气相色谱-质谱(ECNI源)检测SCCPs.SCCPs的仪器定量限为100—600 pg·μL-1.空白加标和基质加标中SCCPs的回收率分别为130%± 8.50%和108%±17.8%(SD, n=3).利用该方法分析了采自广州市郊区的6个土壤样品,其SCCPs的含量范围为12.9—34.5 ng·g-1,平均值为26.1 ng·g-1.

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