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捷克共和国布尔诺城市环境中颗粒物中砷及其形态的季节性和空间变化。

Seasonal and spatial variations of arsenic and its species in particulate matter in an urban environment of Brno, Czech Republic.

机构信息

Transport Research Centre, Líšeňská 33a, Brno, 636 00, Czech Republic.

出版信息

Environ Sci Pollut Res Int. 2024 Sep;31(43):55251-55262. doi: 10.1007/s11356-024-34645-4. Epub 2024 Sep 3.

DOI:10.1007/s11356-024-34645-4
PMID:39225932
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11415447/
Abstract

The present paper deals with an analysis of total arsenic concentration using ICP-MS/MS and an analysis of concentration of several arsenic species, arsenite (As), arsenate (As), monomethylarsonate (MMA), dimethylarsenite (DMA), and trimethylarsine oxide (TMAO), using HPLC-ICP-MS/MS in the PM fraction of airborne urban aerosol. The samples were collected during two campaigns, in the autumn of 2022 and in the winter of 2023, at three locations within the central European city of Brno, with the aim to evaluate the seasonal and spatial variations in the PM composition. The results confirmed only the seasonal variability in the content of the methylated arsenic species in PM influenced by biomethylation processes. To gain better understanding of the possible arsenic origin, a supplementary analysis of the total arsenic concentrations was performed in samples of different size fractions of particulate matter collected using ELPI + . Local emissions, including industrial activities and heating during the winter season, were suggested as the most likely predominant source contributing to the total As content in PM.

摘要

本论文采用 ICP-MS/MS 分析总砷浓度，采用 HPLC-ICP-MS/MS 分析大气气溶胶中 PM 部分的几种砷形态，包括亚砷酸盐（As）、砷酸盐（As）、一甲基砷酸（MMA）、二甲基砷酸（DMA）和三甲基氧化砷（TMAO）。样品采集于 2022 年秋季和 2023 年冬季，在中欧城市布尔诺的三个地点进行，旨在评估 PM 成分的季节性和空间变化。结果仅证实了受生物甲基化过程影响的 PM 中甲基化砷形态含量的季节性变化。为了更好地了解可能的砷来源，我们对使用 ELPI+收集的不同颗粒物粒径分数的样品中的总砷浓度进行了补充分析。当地排放物，包括冬季的工业活动和供暖，被认为是导致 PM 中总 As 含量的主要来源。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47ab/11415447/10291447afae/11356_2024_34645_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47ab/11415447/b1113a9a52c7/11356_2024_34645_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47ab/11415447/ee52f7ff0086/11356_2024_34645_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47ab/11415447/34cd69aecf45/11356_2024_34645_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47ab/11415447/024c53dc6b28/11356_2024_34645_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47ab/11415447/420744189cf4/11356_2024_34645_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47ab/11415447/10291447afae/11356_2024_34645_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47ab/11415447/b1113a9a52c7/11356_2024_34645_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47ab/11415447/ee52f7ff0086/11356_2024_34645_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47ab/11415447/34cd69aecf45/11356_2024_34645_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47ab/11415447/024c53dc6b28/11356_2024_34645_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47ab/11415447/420744189cf4/11356_2024_34645_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47ab/11415447/10291447afae/11356_2024_34645_Fig6_HTML.jpg

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