Tenax™-GR Adsorbent Resin for Trapping Volatiles

The new Tenax™ GR is a composite material of Tenax TA and 30% graphite. The resulting material gives a higher breakthrough volume for most volatile organics, yet still has a low affinity for water. In addition Tenax™ GR maintains its high temperature stability to 350 degrees C. These properties make Tenax™ GR an ideal adsorbent for the trapping of volatiles from air, water and solid samples. Using thermal desorption techniques such as the S.I.S. Purge and Trap system in conjunction with the Short Path Thermal Desorption System, detection of volatile organics in the ppb and ppt level is feasible. Due to its low affinity for water, Tenax™ GR is especially useful for the purging of volatiles from high moisture content samples including the analysis of volatile organic compounds in water. Since its density is twice that of Tenax™ TA, this enables a larger amount of the Tenax™ GR resin to be placed inside the desorption tube, thereby increasing the ability to retain volatiles on a small resin bed.

Before use it is recommended that Tenax™ GR be thermally conditioned with a high purity gas at elevated temperatures to remove any residual components using the following procedure. It is important that no oxygen be permitted to enter the Tenax™ TA material when it is at elevated temperatures. See Conditioning Instructions.

Source: Scientific Instrument Services

Tenax-GR(TM), Mesh=60/80, UOM=EA
Part No.	Size (g)	ship wt.	Quantity In Stock	Price	Quantity to order
979401	5.0	0.25	2	$90.53
979402	10.0	0.25	0(#)	$167.13
979403	25.0	0.25	0(#)	$387.98
(#) Standard lead-time for out-of-stock items is approximately two weeks.
Ordering information. International (non-US) prices available through your local dealer.

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