High-quality thermal desorption tubes by Markes International. These sorbent tubes are suitable for ppt to ppm concentrations of volatile organic compounds (VOCs) in ambient, indoor, and industrial hygiene environments. Available in both stainless steel and glass (for thermally labile VOCs), they fit Markes ULTRA-UNITY™, PerkinElmer, and Shimadzu thermal desorbers. Packed tubes come with a report detailing the total mass of sorbent in the tube; conditioned tubes also include a blank chromatogram.

Thermal Desorption Tube Sorbent Vapor Phase Organics Applications
Tenax® TA C6/7 to C26
Graphitized Carbon C5/6 to C14
Tenax® GR/Carbopack™ B n-C5/6 to n-C20 (EPA Methods TO-14A/TO-15/TO-17)
Carbopack™ B/Carbosieve™ SIII n-C2/3 to n-C12/14 (EPA Methods TO-14A/TO-15/TO-17)
Tenax® TA/Graphitized Carbon/Carboxen™ 1000 C2/3 to C20
Carbopack™ C/Carbopack™ B/Carbosieve™ SIII n-C2/3 to n-C16/20 (EPA Methods TO-14A/TO-15/TO-17)

Method Application
US EPA TO-17
ASTM D6196
NIOSH 2549
DIN EN ISO 16017

Specifications
Dimensions: 1/4″ OD x 3 1/2″ long
Low sampling rates: 0.01-0.20 L/min. (<10L total volume)
Long-term storage caps are supplied with conditioned tubes