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Updated: May 29, 2025

Identifying Per- and Polyfluorinated Chemical Species with a Combined Targeted and Non-Targeted-Screening High-Resolution Mass Spectrometry Workflow
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沉积物中的Per-和Poly-fluoroalkyl物质 (PFAS):为食品网络提供PFAS的来源?

Doug Endicott1, Robin Silva-Wilkinson1, Dennis McCauley1

  • 1Great Lakes Environmental Center (GLEC), Traverse City, Michigan, USA.

Integrated environmental assessment and management
|February 4, 2025
PubMed
概括

肯特湖的沉积物是水生食物网中包括 perfluorooctane sulfonate (PFOS) 在内的 perfluoroalkyl和 polyfluoroalkyl物质 (PFAS) 的持续来源,阻碍了工业来源控制后的完全恢复.

关键词:
生物积累 生物积累 生物积累污染的沉积物被污染了食物网络的食物网络.在PFAS中,有很多方法.

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The Phosphorus Cycle01:21

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Unlike carbon, water, and nitrogen, phosphorus is not present in the atmosphere as a gas. Instead, most phosphorus in the ecosystem exists as compounds, such as phosphate ions (PO43-), found in soil, water, sediment and rocks. Phosphorus is often a limiting nutrient (i.e., in short supply). Consequently, phosphorus is added to most agricultural fertilizers, which can cause environmental problems related to runoff in aquatic ecosystems.
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