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ICP-MS法测定PM2.5中无机元素浓度及污染特征分析

王婉,  王立,  张晓,  张宝军,  曹振红,  张佳浩,  朱媛媛

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文章导航 > 环境工程技术学报  > 2020 >  10(4): 631-638
王婉, 王立, 张晓, 张宝军, 曹振红, 张佳浩, 朱媛媛. ICP-MS法测定PM2.5中无机元素浓度及污染特征分析[J]. 环境工程技术学报, 2020, 10(4): 631-638. doi: 10.12153/j.issn.1674-991X.20190181
引用本文: 王婉, 王立, 张晓, 张宝军, 曹振红, 张佳浩, 朱媛媛. ICP-MS法测定PM2.5中无机元素浓度及污染特征分析[J]. 环境工程技术学报, 2020, 10(4): 631-638. doi: 10.12153/j.issn.1674-991X.20190181
shu
WANG Wan, WANG Li, ZHANG Xiao, ZHANG Baojun, CAO Zhenhong, ZHANG Jiahao, ZHU Yuanyuan. Determination of inorganic elemental concentrations in PM2.5 by ICP-MS and the analysis of pollution characteristics[J]. Journal of Environmental Engineering Technology, 2020, 10(4): 631-638. doi: 10.12153/j.issn.1674-991X.20190181
Citation: WANG Wan, WANG Li, ZHANG Xiao, ZHANG Baojun, CAO Zhenhong, ZHANG Jiahao, ZHU Yuanyuan. Determination of inorganic elemental concentrations in PM2.5 by ICP-MS and the analysis of pollution characteristics[J]. Journal of Environmental Engineering Technology, 2020, 10(4): 631-638. doi: 10.12153/j.issn.1674-991X.20190181
shu

ICP-MS法测定PM2.5中无机元素浓度及污染特征分析

doi: 10.12153/j.issn.1674-991X.20190181
  • 1.

    中国环境科学研究院

  • 2.

    国标(北京)检验认证有限公司

  • 3.

    唐山市环境保护研究所

  • 4.

    中国环境监测总站

详细信息
    作者简介:

    王婉(1972—),女,助理研究员,博士,主要从事大气颗粒物环境化学分析及污染物源解析研究,wangwan@craes.org.cn

    通讯作者:

    朱媛媛 E-mail: zhuyy@cnemc.cn

  • 中图分类号: X513;X831

Determination of inorganic elemental concentrations in PM2.5 by ICP-MS and the analysis of pollution characteristics

  • 1.

    Chinese Research Academy of Environmental Sciences

  • 2.

    Guobiao (Beijing) Testing and Certification Co., Ltd.

  • 3.

    Tangshan Environmental Protection Research Institute

  • 4.

    China National Environmental Monitoring Centre

More Information
    Corresponding author: ZHU Yuanyuan E-mail: zhuyy@cnemc.cn

    摘要
  • 摘要: 采用微波消解、电感耦合等离子体质谱(ICP-MS)法同时直接测定了PM2.5中23种无机元素的浓度,并对消解方法、ICP-MS工作参数及条件进行了优化和选择。该方法的检出限为0.01~10.00 ng/mL,定量检出限为0.04~40.00 ng/mL。采用该方法测定了2017年10月—2018年1月秋冬季唐山市3个监测点位的PM2.5滤膜样品,结果表明:地壳元素中Si浓度最高,为2.30 μg/m3,大多元素浓度在采暖前高于采暖后;重金属元素中Zn浓度最高,为0.48 μg/m 3,大多元素浓度在本次观测的11月和12月较高;所测元素浓度与其他文献数据具有可比性,说明该方法适用于环境大气PM2.5中的无机多元素分析测试。

     

    Abstract: The concentrations of 23 inorganic elements in PM2.5 were determined directly and simultaneously by inductively coupled plasma mass spectrometry (ICP-MS) combined with microwave digestion. The working parameters and conditions of the digestion and ICP-MS were optimized and selected. The detection limits ranged from 0.01 to 10.00 ng/mL and the quantitative detection limits were at the range of 0.04-40.00 ng/mL. PM2.5 membrane filter samples, collected in three monitoring sites of Tangshan City from October of 2017 to January of 2018, were measured by the method. and the results of the analytical data were shown as follows. The concentration of Si was 2.30 μg/m3, which was the highest value among the measured crustal elements. Most elements had higher concentrations during the before-heating period than during the heating period. The concentration of Zn was 0.48 μg/m 3, which was the highest value among the heavy metals, and the concentrations of these heavy metals were mostly higher in November and December during this observation campaign. The measured elemental concentrations were mostly comparable to other literature data, which showed that this method was suitable for inorganic multi-element analysis of ambient atmospheric PM2.5.

     

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  • 收稿日期:  2019-10-25
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