Applications by Equipment and Technique
Application
AppNote 216: In-time TMS Derivatization and GC-MS Determination of Sugars, Organic Acids and Amino Acids for H [...]
Metabolomics aims to identify the changes in endogenous metabolites of biological systems in response to intrinsic and extrinsic factors in clinical, food and nutrition, and environmental-based research. Gas chromatography-mass spectrometry […]
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Application
AppNote 243: Identification of Key Sensory-Active Flavor Compounds in Plant-Based Tuna Fish using Sensory Dire [...]
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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Application
AppNote 246: Univariate Optimization of Automated Evaporation and Concentration Combined with Large Volume Inj [...]
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 Determin [...]
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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Application
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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Application
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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Application
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 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 Chamb [...]
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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