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在窗,沙发和地毯面料样本中分析遗留的PFAS和潜在的前体

D Jérémy Liwara¹, Ana R L Araújo¹, Anton Pavlov²

¹Amsterdam Institute for Life and Environment (A-LIFE), Vrije Universiteit Amsterdam, 1081HV Amsterdam, the Netherlands.

The Science of the total environment

|July 3, 2025

概括

这项研究在家用织物中检测到28种per-和多基物质 (PFAS),包括遗留化合物和新型前体. 甲基醇是最丰富的,在地毯和窗中也发现了短链PFAS前体.

科学领域:

环境化学环境化学
材料科学材料科学材料科学
毒理学毒理学毒理学

背景情况:

和多醇基物质 (PFAS) 广泛用于消费品,如用于排水和排油的织品.
对遗留PFAS的担忧越来越大,导致开发新的PFAS品种,包括前体,据称有较低的毒性.
这些较新的PFAS化合物在室内材料中的存在和分布仍然不完全理解.

研究的目的:

分析81种PFAS的存在和度,包括传统化合物和新型前体,在普通家用织物中.
为了识别特定的PFAS前体,特别是 perfluoroalkane sulfonamide衍生物,以及它们在不同类型的织物中的分布.
评估基于前体检测的消费产品中潜在的转向短链PFAS.

主要方法:

溶剂提取和Envi-Carb清洗用于样品的准备.
液体和气体染色学与质谱学相结合,用于分析81个目标PFAS.
分析了30个面料样本 (地毯,窗,沙发).

主要成果:

在分析的织物样本中检测到28种不同的PFAS.
甲基醇的度最高,从1到2329μg/m2不等.
perfluoroalkane sulfonamide前体 (例如,MeFBSAA,FBSE) 主要在地毯和窗样本中被发现,分别占PFAS总量的10%和24%. 这些主要是4碳链化合物.

结论:

家庭面料可以作为遗留和新合成PFAS的储存库,包括前体.
短链PFAS前体的检测表明,潜在的行业趋势是走向短链化化合物.
建议使用更大的样本规模进行进一步的研究,以确认这些短链PFAS前体在消费织品中的流行率和影响.

关键词:

环境污染物环境污染物织物织物织物织物织物在PFAS中,有很多方法.它们的前身是前体.

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