COVER STORY
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The Column spoke to Ashraf El-Sayed from the Plant and Food Research Institute in Lincoln, New Zealand, about his research into caterpillar-induced plant volatiles and the role of gas chromatography–mass spectrometry (GC–MS) in his work. read more
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PFOS and other perfluorinated compounds are widely used in industrial and consumer applications including stain-resistant coatings for textiles, leather, and carpets, grease-proof coatings for paper.  Read more
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Application Note
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This Application Note demonstrates the determination of the olefin content in denatured ethanol using the Agilent 1260 Infinity Analytical SFC system with the SIM Flame Ionization Detector (FID).  read more
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FEATURES
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Carbon tetrachloride (CCl4) is a potent greenhouse gas in the troposphere, while in the stratosphere it contributes to ozone destruction. This article describes grab-sampling with analysis by TD–GC–MS to assess levels of CCl4 in a Central Amazonian rainforest. read more
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Ice cores contain an abundance of information about climate and the changes it is undergoing. Brett Paull and Estrella Sanz Rodriguez from ACROSS at the University of Tasmania, Hobart, Australia, spoke to Kate Mosford of The Column about their work on the analysis of Antarctic ice cores and the important role of cap-IC in this area of research. read more
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NEWS
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A novel unit that integrates sampling and analysis for the determination of pest insect sexual pheromones in environmental air using fabric phase sorptive extraction (FPSE) and headspace gas chromatography coupled to mass spectrometry (HSGC–MS) has been developed at the University of Córdoba in Spain (1). read more
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HPLC 2017 PREVIEW
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One of a series of articles exploring current topics in separation science that will be addressed at the HPLC 2017 conference in Prague, Czech Republic, from 18–22 June. This article preview discusses the dramatic changes in the environmental analyses of food, soil, and water over the last decade. read more
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FEATURED PRODUCT
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Providing optimum sampling and analytical performance for VOC and SVOC analysis from air and solids, Markes's range of sorbent tubes are reportedly manufactured to the highest quality, with each individually checked for total quality assurance. Available in metal, inert-coated, or glass with a range of packing materials suitable for the widest range of applications.
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