Markes International Ltd

This Application Note describes the fast and highly sensitive detection of trace-level aroma compounds in the headspace gas above fresh strawberries.

This application note covers the analysis of ethylene oxide as part of an air toxics study in compliance with US EPA Method 327

This application note focuses on the impact of switching regulated TD–GC air monitoring methods to hydrogen carrier gas

Measurement of PFAS in indoor air and investigation of source materials at a detection limit as low as 1 pg for Me-FOSA

With growing concerns over the harmful effects of long-term exposure to low levels of hazardous air pollutants...

This study demonstrates the performance of Markes’ thermal desorption instruments for the tube-based analysis of 65 ‘air toxic’ compounds

This study reveals how advanced GC–MS sampling methods enhance fragrance analysis in everyday products

The presence of PFAS in materials that come into contact with food is the subject of debate and regulation.

This application note demonstrates the quantitative analysis of ODS and halogenated GHGs without use of cryogen

Haloanisoles create a musty/moldy off-aroma in wines that is rejected by consumers, causing important economic losses for the wine industry

The challenge of monitoring off-odours in fish

Markes’ thermal desorption tubes with a variety of sorbent packings for all TD applications deliver optimum results time after time.

UNITY-xr™ is an industry-leading analytical TD instrument that provides good performance for VOCs and SVOCs collected onto 3½-inch sorbent tubes

Thermal desorption sorbent tubes that allow up to 500 L of air to be sampled for the detection and analysis of PFAS compounds

TD100-xr is a multi-tube TD for high-throughput automated analysis.

A radial diffusive sampler (for analysis by thermal desorption). A large diffusive surface area for adsorption and a short diffusive pathway

A major step forward in sample preparation technology. HiSorb probes sorptively extract VOCs/SVOCs from a range of sample types

A powerful leap in analytical technology – and a world’s first for thermal desorption instruments

Markes’ industry-standard-size TD tubes (3½″ × ¼″ o.d.) are available in three materials: stainless steel, inert-coated stainless steel and glass.