Application Notes: GC-MS
PCA and Sensory Honey Aroma Differentiation
An analytical approach combined with PCA is compared to sensory-directed analysis (SDA) for differentiating honey from multi-floral, wildflower, and clover sources
Smoothie flavor analysis by SA-SBSE-GC–MS
Determination of flavors in smoothies using standard- and solvent-swollen Twister® stir bars, liquid desorption, and LVI-GC/MS for enhanced recovery of polar compounds
Smart-Ramped Pyrolysis-GC–MS for Forensic Analysis (Oct 2023)
Smart Ramped Pyrolysis-GC–MS analysis of forensic samples such as paint, adhesive tape, and mascara gives maximum information in a single run without method development
Microplastics Analysis Using Micro-Furnace Pyrolyzer
This application note demonstrates how splitless micro-furnace pyrolysis increases the sensitivity of microplastic measurements.
Air quality: PAMS analysis
Air quality measurement: Continuous, cryogen-free on-line monitoring of PAMS in ambient air using hydrogen carrier gas using EPA PAMS method.
Monitoring chemical warfare agents (Sept 2023)
Tube-based thermal desorption for monitoring chemical warfare agents Malathion, Russian VX and mustard gas at ultratrace levels without degradation or losses.
GC-MS for US EPA Method TO-15A
This app note describes automated, high-performance GC–MS analysis of humid 'air toxics' samples in canisters, using a cryogen-free system for preconcentration and TD.
Optimised hydrogen fuel impurity analysis
This application note shows the robust, reproducible analysis of trace VOCs in hydrogen fuel by TD–GC–MS/SCD.
Analysing microplastics in salt samples (Sept 2023)
Using thermal desorption–GC–MS is to address multiple challenges in the detection of microplastics in different salt samples.
Measurement of PFAS in indoor air
This study investigates the performance of a high-throughput automated thermal desorption instrument coupled to GC–MS/MS for PFAS analysis.
Analysis of VOCs using hydrogen carrier gas
TD–GC–MS analysis of VOCs in air using H2 carrier gas meets all the performance criteria cited in US EPA Method TO-17, including linearity, reproducibility & MDLs.
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
Chocolate real-time aroma analysis with PTR-TOF
Complex food & flavor headspace analysis with the new FUSION PTR-TOF 10k demonstrates benefits of high mass resolving power & extreme sensitivity for fast measurements.
Food Safety Testing
Automated, high-sensitivity analysis of residual fumigants for food safety testing by multi-step enrichment–headspace–trap (MSE–HS–trap) with GC–MS.
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.
Increase Sensitivity with Pyroprobe Sample-Stacking
This application note introduces a sample-stacking technique to improve sensitivity for low concentration polymer samples.
UV Study of Polypropylene
A rapid, automated polymer degradation study of polymers containing UV stabilizers under ultraviolet (UV) light in a temperature-controlled environment.
Photo-oxidation Study of Polyisoprene
This application note presents data on a rapid, automated polymer degradation study of rubber under ultraviolet (UV) light in air.
Smart-Ramped Pyrolysis-GC–MS for Forensic Analysis
Smart-ramped pyrolysis-GC–MS analysis of forensic samples such as paint, adhesive tape, and mascara gives maximum info in a single run without method development.
Smart-Ramped Pyrolysis-GC-MS of Nylon Products
Smart-ramped pyrolysis-GC–MS analysis of nylon material in consumer products, food packaging, and clothing generates info in one run without method development.
Smart-Ramped Pyrolysis-GC–MS of Acrylates and Methacrylates
Smart-ramped pyrolysis-GC–MS analysis of (meth)acrylates in consumer products, caulk, and nail hardener gives maximum info in a single run without method development.
Sampling Plant Volatiles for GC-MS Analysis
Solvent-free extraction by passive sampling using TF-SPME and HSSE, and by active pumped sampling onto sorbent tubes, are compared for TD-GC–MS analysis of volatiles.
Sensory Directed Flavour Analysis of Pea-Based Tuna
Olfactory detection of sensory-active compounds guides GC–MS analysis for efficient flavour assessment of foodstuffs and their plant-based replacement products.
Flavour Analysis of Hard Seltzer Beverages
Solvent-free extraction and analyte concentration using TF-SPME and SBSE are optimized for TD-GC–MS determination of flavour compounds in hard seltzer beverages.
Using Pyrolysis-MS for Evolved Gas Analysis
This study demonstrates the use of pyrolysis-(GC¬–)MS to generate simulated TGA-MS data for polymers. The mode of operation is also referred to as evolved gas analysis.
Microplastics in Water by Smart-Ramped Pyrolysis-GC-MS
Smart-ramped pyrolysis-GC¬–MS analysis of microplastics in water filtration residue gives maximum info in one run. Examples are runoff, grey-, pond-, and bottled water.
Automated Determination of VOC Emissions
A micro-scale chamber method performs DNPH derivatization and Tenax TA sorption for analysis of formaldehyde and carbonyl compounds by LC–UV, and VOCs by GC–MS.
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