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Updated: May 27, 2025

Identifying Per- and Polyfluorinated Chemical Species with a Combined Targeted and Non-Targeted-Screening High-Resolution Mass Spectrometry Workflow
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高分辨率质谱方法用于选废水中的持久和移动有机化合物:目标分析,疑似分析和风险评估

Kyriaki Anagnostopoulou1, Eleni Evgenidou1, Vasileios Alampanos1

  • 1Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; Centre for Interdisciplinary Research and Innovation (CIRI-AUTH), Balkan Center, Thessaloniki, 10(th) km Thessaloniki-Thermi Rd, GR 57001, Greece.

The Science of the total environment
|February 17, 2025
PubMed
概括

持久性移动有机化合物 (PMOCs) 对水资源构成重大威胁. 希腊一家废水厂进行了为期三年的研究,发现了许多PMOC,包括抗高血压剂,突出了生态风险和监测的必要性.

关键词:
人力资源管理系统HRMS在PMOC中使用PMOC.季节性变化季节性变化废水 废水 废水 废水

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Mass Spectrometry: Complex Analysis01:21

Mass Spectrometry: Complex Analysis

Mass spectrometry is an important technique for the identification of pure compounds. However, it has some limitations for the analysis of complex mixtures, often due to excessive fragmentation making the spectrum too complicated to decipher. Mass spectrometry can be combined with suitable separation methods in sequence, forming hyphenated methods, which are useful in the analysis of complex mixtures.
GC–MS is a powerful hyphenated method commonly used in forensics and environmental...
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High-Resolution Mass Spectrometry (HRMS)01:15

High-Resolution Mass Spectrometry (HRMS)

The resolution of a mass spectrometer depends on the efficiency of separating ions with different ion masses. The mass of an atom is approximated to the sum of the masses of protons and neutrons inside, considering the masses of protons and neutrons as equal. However, the masses of the proton (1.6726 × 10−24 g) and neutron (1.6749 × 10−24 g) are not truly equal. There is a minor error in the expression of atomic masses relative to the simplest atom of hydrogen. For...
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High-Performance Liquid Chromatography: Types of Detectors01:15

High-Performance Liquid Chromatography: Types of Detectors

The role of the detectors in High-Performance Liquid Chromatography (HPLC) is to analyze the solutes as they exit from the chromatographic column. The detector recognizes the solute's property and generates corresponding electrical signals, which are converted into a readable graph of the detector's response versus elution time called a chromatogram at the computer. There are several types of HPLC detectors, each with its own advantages and limitations, depending on the analyte...
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