GC-MS
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
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 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
Analysis of 1,4-Dioxane in Consumer Products using Static Headspace and Gas Chromatography with a Triple Qua [...]
1,4-Dioxane is a chemical contaminant formed in trace amounts as a byproduct during the manufacturing process of detergents, foaming agents, emulsifiers and some solvents, which are widely used ingredients of […]
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Application
Quantification of Persistent Organic Pollutants in Dietary Supplements Using Stir Bar Sorptive Extraction Coup [...]
App Note 214/2020 In this document we describe a method developed to quantify persistent organic pollutants (POPs) including polycyclic aromatic hydrocarbons (PAHs) and organochlorine pesticides (OCPs) in dietary supplements using […]
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Application
Highly Sensitive Determination of Contaminants in Surface Water in the Context of the EU Water Framework Direc [...]
App Note 196/2018 In the work presented here, highly sensitive determination of around 100 contaminants in surface water in the concentration range from low double digit to low triple-digit pg/L […]
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Application
Comparison of the Sensitivity of Solid Phase MicroExtraction (SPME) and Stir Bar Sorptive Extraction (SBSE) fo [...]
App Note 8/2001 Two extraction techniques that avoid solvent consumption and cut down the sample preparation to a minimum – Solid Phase MicroExtraction (SPME) and Stir Bar Sorptive Extraction (SBSE) […]
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