
Sorbent tube offer
Buy two packs – get a third free on a wide selection of our sorbent tubes.
Promotion ends 15 October 2023. Full terms and conditions here
Latest information

Automated Aroma and Flavour Profiling of Honey Using High-Capacity Sorptive Extraction
LCGC: The Column, September 2023

Markes and SepSolve host seminar on analytical strategies to improve data quality in biomarker discovery
The seminar brought together leading experts in volatile biomarker analysis from across the UK, and was hosted by Professor George Hanna and his research team at Imperial College London.

Measurement of PFAS in indoor air and investigation of source materials
Application Note 167

Simplifying GC–MS sample preparation for product and material testing
Webinar addressing analysts’ needs for a robust and reproducible approach to sample emissions from a wide variety of materials and products, for analysis by GC–MS, and to answer such questions as: What’s that smell? Is my product safe? Is there anything toxic in my home/car? How can I detect a harmful chemical from a material?

Markes' new Centri 90 featured in conference 'Innovative New Technology Showcase'
18 July 2023

Markes International commercialises new technology that expands applicability of headspace and SPME analyses for food and environmental samples
17 July 2023

Key considerations when switching from solvent extraction to thermal desorption
Download this useful infographic, which compares solvent extraction and thermal desorption in terms of their cost and benefits to data quality.

Passive sampling in the workplace: Why thermal desorption is replacing solvent extraction
Discussing why solvent extraction of sorbents remains so widely used for passive monitoring of workplace atmospheres, and showing that TD is not only better from a health & safety perspective, it’s better for lab budgets too.

Automated, high-sensitivity analysis of residual fumigants for food safety testing by multi-step enrichment–headspace–trap (MSE–HS–trap) with GC–MS
Application Note 284

Visit our interactive virtual laboratory

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

Using hydrogen as a carrier gas with -xr series thermal desorbers
Markes International’s Multi-Gas enabled thermal desorption (TD) instruments have been selected for the prestigious Innovation Awards from The Analytical Scientist – the world’s first range of TD instruments that are independently safety-certified to run using helium, nitrogen or hydrogen as carrier gas in TD–GC–MS workflows.
“Moving from helium to hydrogen for TD makes economic sense, with helium prices increasing rapidly. Many labs who have become frustrated with helium availability will find this product to their liking.”

Schauenburg Analytics Group
Delivering technical innovations that enhance every aspect of GC–MS workflow
The analytical instrument manufacturers in the Schauenburg Analytics group harness their applications and engineering expertise to improve all aspects of GC workflows. The result is better business and scientific outcomes for both research and commercial laboratories.
The members of Schauenburg Analytics develop technologies that allow scientists around the world to improve sample throughput and maximise the quality of results. With expertise in every area from sample preparation to data-processing, they also provide the ongoing support that laboratories need to achieve success.
Discover more – Deliver more
The technologies produced by our Group companies such as Markes International and SepSolve Analytical range from world-leading thermal desorption, extraction and enrichment platforms to enhanced separation, detection and data-processing tools. Together, these tools enable scientists to discover more about their samples, and to deliver higher throughput for both research and routine applications.
Learn more