LCGC Europe Application Note Alert
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Fast GC–TOF MS for High-Throughput Screening of Environmental Contaminants
This poster, presented at Pittcon 2015, describes how fast gas chromatography with time-of-flight mass spectrometry (TOF MS) can allow identification of both target environmental pollutants and unknowns in a single, rapid analysis. Particular attention is given to the reproducibility of quantitation and qualifier ion peak areas, and the ability to generate spectra closely matching those in the NIST library. Download the app note |
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Hydrogen Carrier Gas for Pesticide Analysis
This application note evaluates the use of on-site generated hydrogen carrier gas, supplied by a Parker domnick hunter 110H-MD hydrogen generator, for the analysis and detection of halogenated pesticides and herbicides as listed in US EPA Method 551.1. Download the app note |
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Solid-Phase Extraction for the Analysis of Drugs of Abuse in Urine
Many drugs of abuse (DOA) — whether natural or synthetic — are rapidly excreted from the human body. However, some can persist for extended periods. Screening for traces of DOAs has become commonplace by analyzing human urine with liquid chromatography–mass spectrometry (LC–MS) or gas chromatography–mass spectrometry (GC–MS) through derivitization of the parent compounds. Solid-phase extraction (SPE) provides an ideal extraction media for DOA compounds, as it can be performed with small sample amounts with rapid turnaround. Download the app note |
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Extraction and Analysis of Acrylamide from Coffee
Cooking at high temperatures causes a chemical reaction between certain sugars and asparagine which causes acrylamide formation. In this technical note, we explore how to use Novum™ SLE tubes to clean up a coffee matrix in order to quantitate known acrylamide levels. The recovery is especially significant when you consider the polar nature of the acrylamide (LogP -0.27). In addition to high recoveries (>90 %), the low values for the standard deviation and %CV indicates method reproducibility. Download the app note |
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Determination of Organophosphate Pesticides in Urine
Organophosphate pesticides (OP) are a diverse group of compounds. Derived from phosphoric acid they exhibit varied physicochemical properties. They are used extensively as nerve poisons to kill target pests (usually insects); however, their toxicity extends to mammals and they can adversely affect the human nervous system, even at low exposure levels. Download the app note |
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