Save up to 25% on TD100-xr & TC-20
Purchase a TD100-xr™ and TC-20™ together before 31 July 2025 and receive up to 25% off.
Reduce operational costs, increase throughput, and improve sustainability with the latest thermal desorption instruments.
How automated headspace–trap is transforming wastewater analysis
M42, UAE uses Centri to tackle challenging VOCs in wastewater.
Find out how headspace–trap with automation is transforming high-throughput analysis – faster, simpler, and more reliable.
Latest information
Detection of residual ethylene oxide and epichlorohydrin in foodstuffs using automated multi-step enrichment–headspace–trap with GC–MS/MS
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Unlocking the secrets of flavour - VOC profiling for food quality and authenticity
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Markes International adds gas sampling bags to support flexible air monitoring and research
Explore![Markes TD Brochure Hero3 Corepurple[2]](/media/zmscvqds/markes-td-brochure-hero3-corepurple-2.jpg?cc=0.55128205128205132,0,0,0&width=350&height=260&v=1d660d04edbcca0)
Automated HiSorb high-capacity sorptive extraction for Centri 90
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Automated high-capacity sorptive extraction (HiSorb) now available on Centri 90 for trace-level GC–MS analysis
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Expanding automated sorptive extraction capabilities for GC–MS
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Can Markes’ TD instruments be used to analyse PFAS in air?
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Is PFAS contamination a problem when using Markes’ TD instruments to analyse airborne PFAS?
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Detecting adulterated paprika: Food authenticity and quality assessment
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Advancing atmospheric research in India using solvent‑free, cryogen-free thermal desorption
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How to switch from helium to hydrogen carrier gas for thermal desorption – safely and confidently
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Enhancing SPME analysis of foods and beverages with cryogen-free trap focusing
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What is thermal desorption?
Thermal desorption (TD) is a versatile preconcentration technique for gas chromatography, which is used to analyse volatile and semi-volatile organic compounds from solids, liquids or gases.
Find out more by downloading our introductory e-book which explains more about the technique and it's place in the analytical laboratory
Markes International
Markes International is a multi-award-winning manufacturer of instrumentation and supplies that enhance the analytical capability of GC–MS. Markes has a well-deserved reputation for its technology expertise in the field of sample automation and concentration (thermal desorption, SPME, headspace and high-capacity sorptive extraction). Markes' products are used for the detection of trace-level VOCs and SVOCs in solids, liquids and gases. The company's systems are sold worldwide, through its own global offices and network of distributors. Markes' customers encompass research, government and industrial/service laboratories, in a wide range of sectors from environmental monitoring to materials testing, and food & beverage analysis.
Markes' sister company, SepSolve Analytical Ltd, is a manufactuer of GC×GC, time-of-flight mass spectrometers and associated software
