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1.河南师范大学 环境学院,黄淮水环境污染与防治教育部重点实验室,河南 新乡 453007
2.河南省自然资源监测和国土整治院,河南 郑州 450016
3.黄淮实验室,河南 郑州 450046
4.清华大学 环境学院, 北京 100084
李雪,博士,副教授,研究方向,大气颗粒物污染与健康,E-mail:2022198@htu.edu.cn
收稿日期:2025-03-26,
修回日期:2025-05-14,
录用日期:2025-05-22,
网络出版日期:2025-07-04,
纸质出版日期:2025-08-15
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崔玉珂,周敏,李雪,郑恒,张帅锋,赵友华,王雨,罗午月,牛梦然,李欣然,曹治国,蒋靖坤.新乡市居民区大气颗粒物中对苯二胺类抗氧化剂的特征分析及呼吸暴露评估[J].分析测试学报,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.
崔玉珂,周敏,李雪,郑恒,张帅锋,赵友华,王雨,罗午月,牛梦然,李欣然,曹治国,蒋靖坤.新乡市居民区大气颗粒物中对苯二胺类抗氧化剂的特征分析及呼吸暴露评估[J].分析测试学报,2025,44(08):1698-1703. DOI: 10.12452/j.fxcsxb.250326233.
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.
该研究选择新乡市居民区为观测点,分别采集了2023年夏季和2024年春、秋、冬季共计71天的大气总悬浮颗粒物样品。利用超高效液相色谱-串联质谱(UPLC-MS/MS)分析了8种对苯二胺类化合物(PPDs)和2种醌衍生物(PPD-Qs)的污染水平、季节变化特征及影响因素,并评估了呼吸暴露风险。PPDs和PPD-Qs在样品中检出率均高于50%,∑
8
PPDs中值浓度为120.60 pg/m
3
;∑
2
PPD-Qs中值浓度为21.98 pg/m
3
。PPDs和PPD-Qs呈现明显的季节变化特征,污染物总浓度在秋、冬季较高,夏、春季较低。同时,研究结果也揭示了受高温和臭氧(O
3
)的影响,夏季PPD-Q/PPD比值呈现全年最高,约为秋、冬季的40倍。此外,研究分别评估了新乡市居民中成人和儿童对PPDs和PPD-Qs的呼吸暴露风险。
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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