Application Notes: Environmental
Measuring PFAS pollution in ambient air (Nov 2023)
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.
PFAS Forensic Fingerprinting with Ion Mobility
Reveal PFAS dark matter using high-resolution ion mobility (HRIM) to enhance existing chromatographic methods and provide richer insights into samples.
PFAS Testing Solution Guide
Check out the testing solution guide for analyzing PFAS in water, soil and air. This guide provides chromatography consumables for reliable PFAS testing.
Microplastics Analysis Using Micro-Furnace Pyrolyzer
This application note demonstrates how splitless micro-furnace pyrolysis increases the sensitivity of microplastic measurements.
VOC Monitoring in the ppqV Range
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
Empore Strontium Disk To Extract 90Sr
PFAS Analysis in Industrial Water
A validated method was developed for screening short to long chain PFAS in industrial water, using direct injection with no sample preparation.
Ultra-Short Chain PFAS LC-MS Analysis
A multimodal method using HILIC and anion ion exchange chromatography for high peak resolution was developed to separate ultra-short to medium chain PFAS.
Method Development PFAS (Ultra-Short Chain)
Utilizing the Shodex HILIC VT-50 2D, a method was developed on LC–MS to analyze ultra-short chain (C1¬–C4) PFAS though long chain (C8–C10) PFAS.
PFAS Analysis in Ground Water
A validated method was developed for screening short to long chain PFAS in ground water, using direct injection with no sample preparation.
Optimized TOF Methods for a Comprehensive Measurement of PFAS in Environmental Samples
A breakthrough for adsorbable and extractable organic fluorine (AOF and EOF) and how different SPE phases are used for accurate determination of PFAS.
Monitoring PFASs in water sources – Non-targeted adsorbable organically bound fluorine (AOF) analysis by CIC
Adsorbable organically bound fluorine (AOF) is used to screen water for PFASs. DIN 38409-59 outlines AOF analysis with pyrohydrolytic combustion and ion chromatography.
Allergens in Peruvian Essential Oil, Balsam
Despite the utility of the essential oil mixture, it has been shown that allergies can arise from some of the individual components.
Purge and Trap EPC-Controlled Calibration Curves
The CDS 8500 Purge and Trap electronic pressure control (EPC) is used for automated preparation of calibration curves.
Purge and Trap Automated Sample Dilution
The CDS 8500 Purge and Trap system is used to perform automated sample dilution to prepare calibration curves.
Empore 8270 Disk to Extract SVOCs
This application note demonstrates a novel Empore 8270 Disk to extract 125 semi-volatile organic compounds from water samples per EPA 8270E method.
Separation of Selected Ylang-Ylang Oil Components
Isolation of six common allergens can be achieved by utilizing reversed-phase HPLC using an alkaline eluent.
DOW Designs Efficiencies into Method Development
This application note describes how Dow AgroSciences created efficiency in method development by incorporating method development software into their best practices.
EPA 8260D with the CDS 8500
Analysis of volatile organics in soils using the CDS 8500 Automated Purge and Trap System.
Optimized Hydrogen Fuel Impurity Analysis
This application note shows the robust, reproducible analysis of trace VOCs in hydrogen fuel by TD–GC–MS/SCD.
The Theory and Practice of Passive Monitoring
Theory and practice of using axial and radial samplers for passive (diffusive) monitoring of VOCs in air
Sorbent Selection Advice for Air Sampling
Advice on which sorbent to use for pumped (diffusive) tube monitoring of various vapour-phase organics; suggests parameters for conditioning and storing packed tubes.
Industrial (Stack) Emissions Testing
How TD benefits a wide range of industrial emissions testing applications, offering compatibility with both whole-air/gas containers and sorbent tubes
Analysis of Sulfur Compounds with TD-GC
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.
Quantification of Indoor Limonene Concentrations
Thermal desorption GC-MS is used to quantify indoor limonene concentrations from diffusers.
Determination of Drinking Water's Organic Compounds
Detecting over 120 pollutants including pesticides, PAHs, PCBs, phthalates and adipates, this method can prove useful in environmental crises involving water pollution.
Analysis of PFAS in air
Analysis of trace per- and polyfluorinated organic vapours in air using cryogen-free thermal desorption and gas chromatography–mass spectrometry
Determination of PCBs in Soils Using Thermo Scientific EXTREVA ASE
This application note describes a method for the determination of PCBs in soils using the Extreva ASE system.
Determination of PCBs in Soils
Determining PAHs in Soil Matrices
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.