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Trichlorofluoromethane (CFC-11), dichlorofluoromethane (CFC-12), and tetrachloromethane (CT) are fully halogenated methanes that were produced as refrigerants in the early part of the 1900s and later used in many industrial processes.

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The Headspace Sampler is based on Aijiren’s GC and automatic liquid sampler architecture. It provides an inert sample pathway for superior gas chromatography performance without analyte degradation or loss, includes productivity-boosting features, and offers rugged sampling technology to ensure the integrity of every injection.

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Jul 25, 2022 · The vial with the sample was placed onto a heating plate at 40 °C for 30 min to equilibrate the volatile compounds. A preconditioned SPME fiber (50/30 µm DVB/CAR/PDMS coated) (Supelco, Sigma-Aldrich, Bellefonte, PA, USA) assembly was inserted in the vial through the septa of the cap, and the volatiles were trapped by the fiber for 15 min.