Applications
Application
Determination of PFAS in Food of Animal Origin using online SPE Cleanup and LC-MS/MS
Abstract In the work presented here, perfluorinated compounds were extracted from different food types (egg, fish and meat) using aQuEChERS-like approach followed by online-SPE cleanup and LC-MS/MS determination. In addition […]
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AppNote 243: Identification of Key Sensory-Active Flavor Compounds in Plant-Based Tuna Fish using Sensory Directed Analysis
Abstract AppNote 243/2022 Plant-based proteins are a rapidly growing market with plant-based seafood replacement also seeing significant growth in recent years. The key to the overall food experience is the […]
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AppNote 246: Univariate Optimization of Automated Evaporation and Concentration Combined with Large Volume Injection to Increase the Sensitivity of Pesticide Analysis
Keywords Pesticides, Large Volume Injection, Automated Evaporation and Concentration, Gas Chromatography-Mass Spectrometry, PTV Inlet, Cooled Injection System. Abstract Pesticides are frequently determined in various food and beverage types and in […]
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Application
Comparison of Four Immersion Extraction Techniques Using the GERSTEL Twister® and TF-SPME Devices to Determine Analytes Found in Hard Seltzer Flavors
Keywords Hard seltzer, flavor profile, Twister®, TF-SPME, GC-MS, MPS LabWorks Platform Abstract In this study, four immersion extraction techniques using the GERSTEL PDMS Twister® and PDMS/HLB TF-SPME devices were […]
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AppNote 241: Pyrolysis GC-MS: Acrylates and Methacrylates
Keywords Acrylates, methacrylates, consumer products, pyrolysis, gas chromatography, mass spectrometry Abstract Acrylates and methacrylates are two important classes of polymers used in a wide variety of products. Acrylates are polymers […]
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AppNote 240: A Comparison of Techniques for Sampling of Plant Volatiles in Four Plant Varieties
AppNote 240/2022 In this study, volatiles were collected from the headspace around plants for subsequent determination by GC/MS. Passive air sampling was performed using Thin Film Solid Phase Microextraction (TF-SPME) […]
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AppNote 244: Pyrolysis GC-MS: Nylon and Nylon-Containing Products
The GERSTEL PYRO system heats the sample using an advanced dual coil platinum wire that allows it to operate in a variety of pyrolysis modes including standard pulsed, sequential, fractionated, […]
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Application
Automated Salting-out Assisted Liquid-Liquid Extraction and Determination of Bisphenol A in Beverage Samples using a Robotic Autosampler and LC-MS/MS Platform
AppNote 230/2022 Bisphenol A (BPA) is a widely produced chemical used as a precursor in the formation of plastics (polycarbonate) and coatings for food and beverage containers (epoxy resin coatings). […]
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Automated Liquid-Liquid Extraction and Determination of NBOMes in Serum and Blotter Paper Samples using a Novel Robotic Autosampler and LC-MS/MS Platform
AppNote 229/2022 The forensic community has experienced an increasing emergence of New Psychoactive Substances (NPSs) in recent years. The five main classes of NPSs include the synthetic cannabinoid compounds, stimulants […]
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Application
Automated Standards Preparation and SPME Determination of Volatile Organic Compounds in Beer
TechNote ITN-303 Preparation of standards for quantification in gas chromatography is part of daily activities in the analytical laboratory. Accurate and precise transfer of liquids is critical to meaningful analytical […]
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Application
Determination of Volatile Organic Compound Emissions from Building Materials using Automated Micro-scale Chamber Dynamic Headspace Sampling
App Note 231/2022 There is growing concern that VOC emissions from materials used indoors in buildings should be monitored to ensure that building occupants are not exposed to potentially harmful […]
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Application
Pyrolysis Gas Chromatography Mass Spectrometry: Anatomy of a Golf Ball
App Note 234/2022 Materials used to construct golf balls have evolved over the years. The original golf balls were made of wood. The next generation of balls were made from […]
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