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Novel, rapid, and flexible tandem dispersive liquid-liquid microextraction for the determination of PFAS in environmental samples

Thermo Fisher Scientific
8 Jul 2026

This application note from Thermo Fisher Scientific presents a fully automated tandem dispersive liquid-liquid microextraction (DLLME) workflow for the determination of per- and polyfluoroalkyl substances (PFAS) in environmental matrices including drinking water, groundwater, wastewater, soil, sludge, industrial effluents, and other complex samples.

The workflow integrates automated sample preparation using the TriPlus™ RSH SMART Autosampler with LC-MS analysis on either the Orbitrap Exploris™ EFOX Mass Detector or the TSQ Altis™ Plus EFOX Edition Mass Spectrometer, providing regulatory-compliant PFAS quantification while reducing solvent consumption, manual handling, and sample preparation complexity.

Resource details:

  • Resource type: Application note
  • Page count: 12
  • Read time: 18 mins

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TriPlus RSH Autosampler

Thermo Fisher Scientific

The advanced, built-in robotics of the Thermo Scientific™ TriPlus™ RSH™ Autosampler deliver exceptional precision, unprecedented sample handling flexibility, and reliable unattended operation.

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Environmental Monitoring and TestingEnvironmental monitoring and testing uses handheld portable analyzers, kits, spectrometers or chromatography systems for air, water, soil, food and other sample testing. Useful features of analyzers such as BOD and COD include portability, easy calibration, automation and sensitivity.  Environmental test kits for pH, water, moisture, etc, should be accurate, sensitive, reliable, fast and easy to use.Mass SpectrometryMass spectrometry (MS) is a powerful analytical technique used to identify and quantify molecules based on the mass-to-charge ratio of gas-phase ions. It provides detailed information about the structure, composition, and properties of compounds and is widely used across fields such as environmental monitoring, materials science, drug discovery and development, food and beverage testing, and wider chemical research. Key MS techniques include tandem mass spectrometry (MS/MS), liquid chromatography–mass spectrometry (LS-MS) and inductively coupled plasma (ICP-MS). Choosing from these wide range of techniques and technologies can be a daunting task, so keep up to date with scientific applications, performance expectations, and customer reviews here all in one place. Visit our product directory to receive quotes direct from the manufacturer. PFASEnvironmental AnalysisEnvironmental analysis describes a variety of tests that determine the effect of chemicals, processes and particulates such as persistent organic pollutants (POPs) have on the environment.

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