Inlet Liner Packing Materials & Accessories
800-356-1688
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ReplacementCarboFrit™ Inserts
Description
qty.
cat.#
price
Frits for liner ID
≤
4mm
10-pk.
20295
$43
Frits for liner ID>4mm
10-pk.
20294
$43
CarboFrit™Puller/InserterTool
• Hook end for removingCarboFrit™ inserts.
• Bent end (90°) for insertingCarboFrit™ inserts.
Description
qty.
cat.#
price
CarboFrit
™
Puller/InserterTool
ea.
21642
$14
DeactivatedFusedSilicaBeads
• Increase sample vaporization surface andminimize splitter discrimination to improve quantitationof
compounds havingdissimilar boilingpoints.
• Trapnon-volatile or inorganic residue toprevent column inlet contamination.
• Deactivated, heat-treated, and tested to ensure complete inertness.
InletLinerRemovalTool
• Easily remove liner from injector—nomore burned fingers.
• Made fromhigh-temperature silicone.
• Won’t chipor crack the liner.
Description
qty.
cat.#
price
Inlet Liner RemovalTool
3-pk.
20181
$27
CarboFrit™ InletLinerPackingMaterial
• Highly inert.
• Extends analytical column lifetime.
• Enhances reproducibilityof split and splitless injection.
• Uniformpore size and consistent packingdensity guarantee consistent flow through the liner.
• Easy to install in any linerwith an ID>3.5mmwhenusingpuller-inserter tool listedbelow.*
*Linerswith IDs less than 3.5mm are difficult to pack.Wewill pack them on a custom basis (minimum neck ID of 2mm required).
Description
suffix
price
each
-209.1
$14
addl. cost
5-pk.
-209.5
$29
addl. cost
25-pk.
-209.25
$79
addl. cost
Nomoreburned
fingers!
a
plus1
story
“Restek sent us some carbonmaterial (CarboFrit
™
packing) with the suggestion to test it as liner packing. Initially, I didn’t evenwant to
try it because carbon is usually highly retentive and catalytically active. Aswe nevertheless gave it a chance, wewere highly
surprised…it exhibited low retentive power and good inertness.”
excerpt from:
Sample Evaporation inHot GC Injectors
,
Dr. KonradGrob,
TheRestek Advantage
,Winter 1996.
tech
tip
Use of Packingswith Splitless Liners
We recommend using an injection port linerwithwool or CarboFrit
™
packingwhenmaking splitless injectionswith an autosampler.
If there is no packingmaterial in the liner, the solvent droplets act likewater on a hot iron: they bounce around until vaporized
(Leidenfrost phenomenon). Because autosamplersmake rapid injections, samples can be incompletely vaporized, leading to
non-reproducible peak response and tailing. You can prevent this by usingwool or CarboFrit
™
packingmaterial in the splitless liner,
to provide a surface for the solvent droplets to “sit” on until the heat from the injector vaporizes them.
Add the corresponding suffixnumber to the liner catalognumber.
Description
Mesh
qty.
cat.#
price
Deactivated Fused Silica Beads
60-80
25 grams
20791
$64
