Characterization and Respiratory Exposure Assessment of p-phenylenediamine Antioxidants in Atmospheric Particulate Matter in Residential-area of Xinxiang City
Experimental Techniques and Methods|更新时间:2025-08-08
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Characterization and Respiratory Exposure Assessment of p-phenylenediamine Antioxidants in Atmospheric Particulate Matter in Residential-area of Xinxiang City
Journal of Instrumental AnalysisVol. 44, Issue 8, Pages: 1698-1703(2025)
CUI Yu-ke,ZHOU Min,LI Xue,ZHENG Heng,ZHANG Shuai-feng,ZHAO You-hua,WANG Yu,LUO Wu-yue,NIU Meng-ran,LI Xin-ran,CAO Zhi-guo,JIANG Jing-kun.Characterization and Respiratory Exposure Assessment of p-phenylenediamine Antioxidants in Atmospheric Particulate Matter in Residential-area of Xinxiang City[J].Journal of Instrumental Analysis,2025,44(08):1698-1703.
CUI Yu-ke,ZHOU Min,LI Xue,ZHENG Heng,ZHANG Shuai-feng,ZHAO You-hua,WANG Yu,LUO Wu-yue,NIU Meng-ran,LI Xin-ran,CAO Zhi-guo,JIANG Jing-kun.Characterization and Respiratory Exposure Assessment of p-phenylenediamine Antioxidants in Atmospheric Particulate Matter in Residential-area of Xinxiang City[J].Journal of Instrumental Analysis,2025,44(08):1698-1703. DOI: 10.12452/j.fxcsxb.250326233.
Characterization and Respiratory Exposure Assessment of p-phenylenediamine Antioxidants in Atmospheric Particulate Matter in Residential-area of Xinxiang City
In this study,the pollution levels,seasonal characterization,influencing factors,and human exposure risks of 8 kinds of
p
-phenylenediamine(PPDs) and 2 kinds of derivatives(PPD-Quinone) in total suspended particulates(TSP) of Xinxiang City in the summer of 2023 and spring,autumn,and winter of 2024 were clarified using ultraperformance liquid chromatograph coupled with tandem mass spectrometry(UPLC-MS/MS). The results showed that the pollutants are ubiquitous with the mean concentration∑
8
PPDs of 120.60 pg/m
3
and ∑
2
PPD-Qs of 21.98 pg/m
3
,whose detection rates were larger than 50% in total samples. PPDs and PPD-Qs showed obvious seasonal variation characteristics,with total concentrations higher in autumn and winter and lower in summer and spring. At the same time,the results showed that,affected by high temperatures and O
3
,the PPD-Q/PPD ratios in summer are the highest throughout the year,which were about 40 times those of autumn and winter. In addition,the respiratory exposure of adults and children to PPDs and PPD-Qs were evaluated.
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