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Extend analytical column lifetime by preventing degradation from harsh "steam-cleaning" water injections.
Tested with a comprehensive test mix, to ensure high inertness.
Maximum temperature: 325 °C.
Description
When transfer lines from purge-and-trap systems, air monitoring equipment, or other instruments carry condensed water vapor, deactivated column tubing quickly becomes active because of the creation of free silanol groups. These silanol groups adsorb active oxygenated compounds, such as alcohols and diols.
Restek chemists have addressed this concern and found a solution—Hydroguard deactivated tubing. A unique deactivation chemistry creates a high-density surface that is not readily attacked by aggressive hydrolysis. The high-density surface coverage of the Hydroguard deactivation layer effectively prevents water vapor from reaching the surface beneath. Use Hydroguard tubing for connecting GCs to these devices:
Headspace analyzers.
Air analysis equipment and concentrator units.
Purge-and-trap systems.
Note: For guard columns, cutting the high-temperature string from the tubing will cause the tubing to unravel. Use caution.
Catalog No.
10087
Product Name
Deactivated Tubing, Hydroguard Deactivation, 30 m, 0.53 mm ID
Internal Diameter (ID)
0.53 mm
Length
30 m
Note
30-meter lengths are banded in 5-meter sections. Recommendation: For guard columns, cut 15, 30, and 60 m tubing into shorter lengths. Using full length may cause peak distortion.
