Let our unrivalled technical experience guide your choice of sorbent tubes and accessories


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Our extensive range of industry standard sorbent tubes and accessories includes:

• Sorbent tubes: Available in a range of materials to suit any application, sorbent tubes may be supplied pre-packed, packed-conditioned-capped, or empty
  
  
• Sorbents: Markes offer a wide range of sorbents commonly used for thermal desorption applications. Markes personnel have considerable experience in recommending specific sorbents, or combinations of sorbents, for individual vapour monitoring applications. 
  
  
• SafeLok™ tubes: EXCLUSIVE to Markes, SafeLok™ tubes incorporate patented diffusion-locking technology at either end of the tube to protect trace-level samples from ingress or loss of volatiles at all stages of the monitoring process
  
  
• Certified Reference Standard (CRS) tubes: These are sorbent tubes pre-loaded with specific masses of target compounds. Used for analytical quality assurance as recommended by key international standard methods. Markes CRS tubes are certified traceable to primary standards.
  
  
• Sorbent tube accessories – Markes supply an extensive range of specialist tools and tube accessories to simplify and enhance TD-based applications.
  
  
• Diffusive sampling:  Samplers are available for both traditional axial diffusive sampling and fast, radial diffusive sampling.
  
  
• TubeTAG™: Sorbent tube informatics - TubeTAG is a powerful and unique tool for tracking thermal desorption tubes used for air monitoring and other applications.
   

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