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 ...
EPA Requires Toxics Release Inventory Reporting for Seven Additional PFAS by EditorFebruary 21, 2024Continue Reading Bags Plastic Bans US Waste Management Plastic Bag Ban Made Pollution Worse in California by EditorFebruary 19, 2024Continue Reading M&A, Corporate and Financial News R&D and Technology...
The US Environmental Protection Agency (EPA) recently published the final Significant New Use Rule (SNUR) to regulate the use of certain long-chain perfluoroalkyl carboxylate and perfluoroalkyl sulfonate chemicals (LCPFACs or long-chain PFAS)...
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