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Analysis of Halogenated Environmental Pollutants Using Electron Capture Detection
11 Jul 2019This guide discusses analytical methods for monitoring halogenated pollutants in a wide variety of matrices including water, solids (soils and plant materials), and biota (fish and animal tissue). Classes of compounds such as chlorinated pesticides, polychlorinated biphenyls (PCBs), chlorinated herbicides, disinfection byproducts, and fumigants are among the pollutants addressed here. Gas chromatography (GC) combined with electron capture detection (ECD) is a common technique used for analyzing these compounds.
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Gas ChromatographyGas chromatography (GC) is an analytical technique used to separate and quantitate mixtures of small and volatile compounds. Gas chromatographs or GC systems include components such as GC columns, detectors, pumps and autosamplers. Choose from packed or capillary GC columns, flame ionization (FID), photoionization (PID) electron capture detectors and selective or non-selective detectors. Find the best gas chromatographs in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Environmental Monitoring and TestingEnvironmental monitoring and testing uses handheld portable analyzers, kits, spectrometers or chromatography systems for air, water, soil, food and other sample testing. Useful features of analyzers such as BOD and COD include portability, easy calibration, automation and sensitivity. Environmental test kits for pH, water, moisture, etc, should be accurate, sensitive, reliable, fast and easy to use.PesticidesPesticides are used to protect crops from diseases, pests and unwanted plants. They are classed as persistent organic pollutants (POPs) and can be harmful to humans. The Environmental Protection Agency (EPA) currently regulates the use of pesticides in the USA. Environmental ContaminationContaminants in the environment are harmful chemicals that are present in the air, land and water. These include pesticides, pharmaceuticals, persistent organic pollutants (POPs) and many more.Persistent Organic PollutantsPolychlorinated Biphenyls