US EPA 方法 8327 是一种液相色谱/串联质谱 (LC/MS/MS) 稀释-上样方法,用于非饮用水(包括地表水、地下水和废水)中 24 种 PFAS 的快速分析,且与ASTM 方法 D7979遵循同一法规。使用多反应监测 (MRM) 模式增强选择性,并通过外部校准进行定量。 安捷伦样品前处理系统、备件和可靠的三重四极杆 LC/MS 仪器具备...
US EPA 方法 537.1 是一种固相萃取 (SPE) 液相色谱/串联质谱 (LC/MS/MS) 方法,用于分析饮用水中的 18 种选定 PFAS,包括 PFOS 和 PFOA。多反应监测 (MRM) 可用于提高选择性,定量依赖于内标校正。该方法使用 Agilent Bond Elut LMS SPE 柱提取饮用水样品中的 PFAS。
US EPA changes PFAS rule after signingdoi:10.1021/cen-09831-polcon4Britt E. EricksonChemical & Engineering News
U.S. EPA stops use of 12 PFAS in pesticide products Date:Dec. 15, 2022 On December 14, 2022, to better protect human health and the environment from per- and polyfluoroalkyl substances (PFAS), the U.S. Environmental Protection Agen... ...
喝开水,真的有用 | 分享一篇和日常生活高度相关的一篇科研文章。该文10月发表在 ACS ES and T Water. 该文研究了影响饮用水中全氟和多氟烷基物质(PFAS)浓度的因素,并评估了人类的暴露风险。 结果显示,八氟辛酸和八氟辛烷磺酸(PFOS)是最常见的PFAS。中国自来水中的PFAS浓度显著高于英国,超过了美国环境保护署(...
“Our PFAS Strategic Roadmap marshals the full breadth of EPA’s authority and resources to protect people from these harmful forever chemicals,” announced EPA Administrator Michael Regan, in a statement to media. “Today, I am proud to finalize this critical piece of our Roadmap, and in ...
OUR COMMITMENT TO SAFETY & SUSTAINABILITY: We evaluate and screen every ingredient using a third party service partner that compares the ingredient data against current GreenScreen, LBC, US-EPA, PFAS, and other leading chemical databases prior to launching a product development project. Our suppliers...
LabTech has officially joinedILDA: The Independent Laboratory DistributorsAssociation. We look forward to working with ILDA distributors! LabTech is currently involved in Product-Development forPFASanalysis --- EPA 537.1 Stay tuned for more!
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EPA proposes hazardous designation for GenX under Superfund The US EPA said that it is considering adding HFPO-DA, also known as "GenX," to an earlier proposal that certain per- and polyfluoroalkyl substances (PFAS) be subject to the Comprehensive Environmental Response, Compensation and Liabili...