Application Notes: Environmental

Measuring ultrashort-chain PFAS (C1-C4) in water is crucial due to their ubiquity and potential human exposure. Standard RPLC tests struggle with these compounds.

A single method using HiSorb extraction and GC-MS for detecting chlorophenols and odorants in water shows high sensitivity and can process 32 samples daily automatically.

Monitoring of per- and polyfluoroalkyl substances (PFAS) in air is successfully performed by the US EPA using Thermal Desorption-GC/MS.

Novel Thermal Desorption-GC/MS method for determination of formaldehyde using PFPH, automatically loaded onto Tenax TA adsorbent, as derivatization agent.

GERSTEL TD 3.5+ Thermal Desorber successfully passes method VDA278 system performance test for automobile material emissions increasing sample capacity and throughput.

VOCs collected from air onto a sorbent packed tube are released by thermal desorption and focused for GC-MS determination using the novel cryogen free dynamic focusing

We present a reliable NanoPak-C All Carbon SPE method for extracting and detecting 15 OCPs from small quantities of soil (100 mg) and river water (200 µL) samples.

This app note outlines SPE extraction of water samples following EPA Draft Method 1634, comparing polymeric HLD SPE cartridges and polymeric HLB SPE cartridges.

GC×GC–TOF MS with thermal modulation used to provide detailed and sensitive characterisation of pyrolysis oil composition to identify possible contaminants.

This study investigates the performance of a high-throughput automated thermal desorption instrument coupled to GC–MS/MS for PFAS analysis.

Analysis of trace per- and polyfluorinated organic vapours in air using cryogen-free thermal desorption and gas chromatography–mass spectrometry.

A method to collect and analyse ozone-depleting substances & halogenated greenhouse gases in 100% humidity ambient air with a cryogen-free preconcentration–GC–MS system

Analyze phthalates 1.4x faster and cut costs by reducing helium consumption 67%.

Read about how the University of York used mobile SIFT- MS to experimentally verify that motor vehicle screen wash is a significant unreported source of VOC emissions

SIFT-MS has unique advantages in air quality measurement applications. It enables environmental incidents to be detected and remedied before they escalate.

Characterising various complex petrochemicals – including diesel, crude oil and vacuum gas oil – using the enhanced peak capacity of GC×GC–FID with thermal modulation

Featured Application: Semivolatiles on Rxi-SVOCms

Application note shows how thermal desorption GC–MS is used to monitor the release of PFAS during the application of aqueous film-forming foam (AFFF).

Demonstrating how commercially available TD equipment is used to monitor CF4 & other products of incomplete destruction (PIDs) resulting from PFAS removal technologies.

This study investigates the performance of a high-throughput automated thermal desorption instrument coupled to GC–MS/MS for PFAS analysis.

Measuring PFAS pollution in ambient air with TD–GC–MS/MS at concentrations low as 2 pg/m3. Each of 19 targeted compounds had linear calibration with high repeatability.

Reveal PFAS dark matter using high-resolution ion mobility (HRIM) to enhance existing chromatographic methods and provide richer insights into samples.

Check out the testing solution guide for analyzing PFAS in water, soil and air. This guide provides chromatography consumables for reliable PFAS testing.

This application note demonstrates how splitless micro-furnace pyrolysis increases the sensitivity of microplastic measurements.

Ambient air analysis and study of the new IONICON Fusion PTR-TOF, providing ultrahigh sensitivities up to 80 000 cps/ppbV, high mass resolving power and ppqV detection limit

A validated method was developed for screening short to long chain PFAS in industrial water, using direct injection with no sample preparation.

A multimodal method using HILIC and anion ion exchange chromatography for high peak resolution was developed to separate ultra-short to medium chain PFAS.