TENAX® is a porous polymer based on 2,6-diphenylphenol, that is widely used as a column packing material for trapping volatiles from air (VOC) or liquids. Since intermolecular binding forces are weak, the contaminants are easy to remove from the adsorbent.
The use of TENAX® has been specified in the standard methods of EPA, NIOSH, ISO 2011 16000-6 (Indoor air sampling), ISO 16017-1 (Sampling and anaysis of VOC) and EN 14338:2004, EU Regulation No. 10/2011 (food simulant).
TENAX® is particularly useful for the analysis of high boiling compounds such as alcohols, polyethylene glycols, diols, phenols, monoamines and diamines, ethanolamines, amides, aldehydes, ketones and chlorinated aromatics. Using thermal desorption equipment measurement on ppb and ppt level is feasible.
Buchem BV’s heritage is the manufacturing of TENAX®. It has been its very first product and still plays and important role in today’s activities.
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TENAX®-GR is a composite of the TENAX®-TA matrix whereby 23% graphitized carbon is used as an integral part of the material. The particle size of the graphite is about 0.5 µm. The advantageous of this material are: lower adsorption of water vapours, higher breakthrough volumes for low molecular compounds and a better peak symmetry.
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