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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
JoVE Journal
Environment
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JoVE Journal
Environment
Identifying Per- and Polyfluorinated Chemical Species with a Combined Targeted and Non-Targeted-Screening High-Resolution Mass Spectrometry Workflow
Please note that all translations are automatically generated.
Click here for the English version.
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
1
Oak Ridge Institute for Science and Education, National Exposure Research Laboratory
,
U.S. Environmental Protection Agency
,
2
National Exposure Research Laboratory
,
U.S. Environmental Protection Agency
Chapters
00:04
Title
00:29
Water Sample Collection and Extraction
03:44
Targeted Liquid Chromatography with Mass Spectrometry (LC-MS/MS) Quantitation
05:01
Non-targeted LC-MS/MS Data Collection
06:50
Results: Representative PFAS Chemical Species Identification
08:25
Conclusion
Summary
Automatic Translation
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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
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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