Application Notes: Environmental

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

A breakthrough for adsorbable and extractable organic fluorine (AOF and EOF) and how different SPE phases are used for accurate determination of PFAS.

Adsorbable organically bound fluorine (AOF) is used to screen water for PFASs. DIN 38409-59 outlines AOF analysis with pyrohydrolytic combustion and ion chromatography.

Despite the utility of the essential oil mixture, it has been shown that allergies can arise from some of the individual components.

The CDS 8500 Purge and Trap electronic pressure control (EPC) is used for automated preparation of calibration curves.

The CDS 8500 Purge and Trap system is used to perform automated sample dilution to prepare calibration curves.

This application note demonstrates a novel Empore 8270 Disk to extract 125 semi-volatile organic compounds from water samples per EPA 8270E method.

Isolation of six common allergens can be achieved by utilizing reversed-phase HPLC using an alkaline eluent.

This application note describes how Dow AgroSciences created efficiency in method development by incorporating method development software into their best practices.

This application note shows the robust, reproducible analysis of trace VOCs in hydrogen fuel by TD–GC–MS/SCD.

Theory and practice of using axial and radial samplers for passive (diffusive) monitoring of VOCs in air

Advice on which sorbent to use for pumped (diffusive) tube monitoring of various vapour-phase organics; suggests parameters for conditioning and storing packed tubes.

How TD benefits a wide range of industrial emissions testing applications, offering compatibility with both whole-air/gas containers and sorbent tubes

Demonstrating the efficient use of online and off-line trace-level analysis of thermally labile sulfur compounds by TD–GC; used in air monitoring and industry.

Thermal desorption GC-MS is used to quantify indoor limonene concentrations from diffusers.

Detecting over 120 pollutants including pesticides, PAHs, PCBs, phthalates and adipates, this method can prove useful in environmental crises involving water pollution.

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

This application note describes a method for the determination of PCBs in soils using the Extreva ASE system.

This application note describes a method for the determination of PCBs in soils using the Extreva ASE system.

A method for determining 16 PAHs in soil matrices using the Extreva Ase system, the Trace 1310 Gas Chromatograph, and the ISQ 7000 single quadrupole mass spectrometer.

This application note demonstrates a quick temperature ramp technique to improve the focusing of VOCs without using a secondary focusing trap.

The new Ascentis® Express PFAS HPLC and delay columns allow the highly efficient separation of 33 PFAS compounds in 5 minutes with reduced background contamination.

This study demonstrates the determination of trace anions in simulated borated waters containing lithium using a borate eluent and a large-volume direct injection.

A demonstration of how TD–GC–MS/MS enables measurement of per- and polyfluoroalkyl substances (PFAS) in air at concentrations as low as 2 pg/m3.

We have you covered. From sample receipt to regulatory reporting, with the most comprehensive chromatography and mass spectrometry instrumentation in the world.

In this app note, a two-dimensional separation is conducted on an oxidative lignin depolymerization mixture using centrifugal partition chromatography.

Application guide to advanced sample preparation for chromatography analysis and mass spectrometry techniques for PFAS's more difficult matrices.

Laboratory productivity increase is demonstrated using an SDVB polymer SPE and C18 column selectivity.