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利用目标筛选和非靶向筛选高分辨率质谱相结合的工作流程识别跨氟和多氟化学物种

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Identifying Per- and Polyfluorinated Chemical Species with a Combined Targeted and Non-Targeted-Screening High-Resolution Mass Spectrometry Workflow

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利用目标筛选和非靶向筛选高分辨率质谱相结合的工作流程识别跨氟和多氟化学物种

DOI:

10.3791/59142-v

•

09:04 min

•

April 18, 2019

•

James McCord, Mark Strynar

¹Oak Ridge Institute for Science and Education, National Exposure Research Laboratory,U.S. Environmental Protection Agency, ²National Exposure Research Laboratory,U.S. Environmental Protection Agency

Chapters

00:04Title
00:29Water Sample Collection and Extraction
03:44Targeted Liquid Chromatography with Mass Spectrometry (LC-MS/MS) Quantitation
05:01Non-targeted LC-MS/MS Data Collection
06:50Results: Representative PFAS Chemical Species Identification
08:25Conclusion

Summary

Automatic Translation

在这里, 我们提出了一个协议, 用于连续有针对性的定量和非靶向分析水中的氟化化合物的质谱。该方法提供了已知氟化合物的定量水平, 并在相关样品中确定了未知化学品, 并对其丰度进行了半定量估计。

Tags

Keywords: Per- And Polyfluorinated Chemicals PFAS High-resolution Mass Spectrometry Targeted And Non-targeted Screening Sample Collection Sample Preparation Solid-phase Extraction Quantitation Calibration Internal Standards

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