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Detection of ozone-depleting substances and halogenated GHGs

Markes International Ltd
10 Apr 2024

China has phased out chlorofluorocarbons (CFCs) and is gradually phasing out hydrochlorofluorocarbons (HCFCs), while hydrofluorocarbons (HFCs), although not harmful to the ozone layer, have a potent greenhouse effect and were added to the Montreal Protocol in 2016. Markes International presents a quantitative analysis method for ozone-depleting substances (ODS) and halogenated greenhouse gases (GHGs) without cryogen, meeting detection limit and data quality requirements outlined by the China National Environmental Monitoring Centre. The analysis system includes a canister autosampler, water vapor removal device, thermal desorption instrument, and GC-MS analyzer in SIM mode, capable of monitoring samples with 100% relative humidity and analyzing 34 ODS and halogenated GHGs qualitatively and quantitatively.

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AutosamplersAutosamplers are automated sample loaders used with a number of separation and analytical techniques. HPLC autosamplers use automated partial or full-loop injection systems and place samples in vials or microplates for analysis. Autosamplers can also be used for elemental analysis. Features to consider include repeatability, syringe capacity, footprint and temperature controls.  Sample ManagementSample management systems include sample storage devices such as freezers and plate storers, sample environment enclosures and sample organization, retrieval and sorter systems. Useful system features include high-throughput, automation, robotic arms, automated liquid handling and associated database systems. Accessories in sample management include barcode scanners, heat sealers and tubes.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.Automation Supplies / AccessoriesAutomated accessories and consumables make lab processes fast, efficient and reliable. Useful automation accessories include microplate sealers, label printers and reagent reservoirs.GC-MS GC-MS (gas chromatography-mass spectrometry) instruments and equipment are used to separate, quantify and identify mixtures of small and volatile compounds, such as polycyclic aromatics, fatty acids and alcohols. Often used in drug detection, forensic investigation and environmental analysis for pesticides and contaminants, GC-MS is a powerful addition to your lab’s analytical capabilities. GC-MS/MS instruments equipped with a qTOF or triple quadrupole analyzers can give greater sensitivity and resolution to your analysis. Find the best GC-MS instruments and equipment in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.ChromatographyChromatography is a powerful technique used to separate and analyze components of mixtures based on their chemical properties. It is widely used in fields like biochemistry, pharmaceuticals, and environmental analysis. By exploiting differences in the interaction of substances with a stationary phase and a mobile phase, chromatography enables precise purification and quantification of compounds. Whether you're working with complex biological samples or industrial chemicals, chromatography is essential for obtaining high-quality results. Browse our peer-reviewed product directory to find the best chromatography systems, compare products, read customer reviews, and get pricing directly from manufacturers.Environmental AnalysisEnvironmental analysis describes a variety of tests that determine the effect of chemicals, processes and particulates such as persistent organic pollutants (POPs) have on the environment.Cryogenic

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