Method Development for Separation and Analysis of Tire and Road Wear Particles from Roadside Soil Samples

Jomin Thomas; Seyed Kasra Moosavian; Teresa Cutright

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Method Development for Separation and Analysis of Tire and Road Wear Particles from Roadside Soil Samples

机译：Method Development for Separation and Analysis of Tire and Road Wear Particles from Roadside Soil Samples

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A comprehensive understanding of tire and road wear particles(TRWPs) and their detection and quantification in soils is still challenged by the lack of well-set standardized methods,inherent technological inconsistencies,and generalized protocols.Our protocol includes soil sampling,size separation,and organic matter removal by using hydrogen peroxide followed by density separation and analysis.In this context,roadside soil samples from different sites in Kansas and Ohio,USA,were collected and analyzed.Tire cryogrinds analogous to TRWPs were used to evaluate various density separation media,and collected particles more than 1 mm in size were then subjected to infrared spectroscopy(IR),thermogravimetric analysis(TGA),and scanning electron microscopy coupled with energy dispersive X-ray spectroscopy(SEM-EDX) to confirm TRWP presence.Particles smaller than 1 mm were Soxhlet extracted,followed by gas chromatography-mass spectrometry(GC-MS) to validate the presence of tire-related intermediates.SEM-EDX validated the presence of elemental combinations(S + Zn/Na) ±(Al,Ca,Mg,K,Si) attributed to tires.Ketones,carboxylic acids,epoxies,cyclohexane,and benzothiazole sulfenamide(BTS) intermediates were the most probable tire-related intermediates observed in the roadside soil samples.Thus,this simple,widely applicable,cost-effective sample preparation protocol for TRWP analysis can assist TRWP research advancement in terrestrial environments.

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《Environmental Science & Technology: ES&T》 |2022年第17期|11910-11921|共12页
作者
Jomin Thomas; Seyed Kasra Moosavian; Teresa Cutright;
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作者单位

School of Polymer Science and Polymer Engineering University of Akron,Akron,Ohio 44325,United States;

Civil Engineering College of Engineering and Polymer Science,University of Akron,Akron,Ohio 44325,United States;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种英语
中图分类环境科学、安全科学;
关键词
method development; tire and road wear particles; soil sampling; size separation; organic matter removal;

Method Development for Separation and Analysis of Tire and Road Wear Particles from Roadside Soil Samples

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