Liner

THe Analytics Shop offers a good selection of liners by SGE, Agilent Technologies and Vici Valco. The GC inlet liner is where the sample is introduced and vaporized into the gaseous phase. The design of the liner is crucial. Selecting the right inlet liner and injection parameter can increase peak areas and reduce detection limits by up to 300 %. Liner deactivation is also important to ensure reproducible and accurate chromatography results.

If you have any questions on GC liners and other GC supplies, please contact our independent team of experts for professional advice.

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Product Image of Th, SSL Siltek Liner, with Carbofrit, 5mm x 8mm x 105mm (Split), 5/PAK
Th, SSL Siltek Liner, with Carbofrit, 5mm x 8mm x 105mm (Split), 5/PAK
Item number: TF453T2131
Brand: Thermo Fisher Scientific
$493.36
Product Image of Th, SSL Siltek Liner, with Carbofrit, 5mm x 8mm x 105mm (Splitless), 5/PAK
Th, SSL Siltek Liner, with Carbofrit, 5mm x 8mm x 105mm (Splitless), 5/PAK
Item number: TF453T2130
Brand: Thermo Fisher Scientific
$482.87
Product Image of DEACTIVEATED S/SL LINER 5pk
DEACTIVEATED S/SL LINER 5pk
Item number: TF453T2121
Brand: Thermo Fisher Scientific
$452.26
Product Image of Siltek Baffle Liner 2mm 5pk
Siltek Baffle Liner 2mm 5pk
Item number: TF453T2120
Brand: Thermo Fisher Scientific
$487.39
Product Image of LinerGOLD Precision Liner, Wool, 5x8x105mm 5pk
LinerGOLD Precision Liner, Wool, 5x8x105mm 5pk
Item number: TF453T1905-UI
Brand: Thermo Fisher Scientific
$355.74
Product Image of GC Injection Port Liners,5 x 8 x 105 Split 5/PAK
GC Injection Port Liners,5 x 8 x 105 Split 5/PAK
Item number: TF453T1905
Brand: Thermo Fisher Scientific
$255.03
Product Image of Mixed Liner Sample Pack
Mixed Liner Sample Pack
Item number: TF453AG001
Brand: Thermo Fisher Scientific
$186.61
Product Image of LinerGOLD Splitless Liner, Single Taper, Wool 4x6.5x78.5mm 25pk
LinerGOLD Splitless Liner, Single Taper, Wool 4x6.5x78.5mm 25pk
Item number: TF453A2922-UI
Brand: Thermo Fisher Scientific
$762.83
Product Image of GC Injection Port Liners, 2.3 x 6.3 x 78.5 5/PAK
GC Injection Port Liners, 2.3 x 6.3 x 78.5 5/PAK
Item number: TF453A2375
Brand: Thermo Fisher Scientific
$233.27
Product Image of LinerGOLD Splitless Liner, Single Taper 4x6.5x78.5mm 25pk
LinerGOLD Splitless Liner, Single Taper 4x6.5x78.5mm 25pk
Item number: TF453A2342-UI
Brand: Thermo Fisher Scientific
$749.23
Product Image of GC Injection Port Liners, 4.0 x 6.3 x 78.5 25/PAK
GC Injection Port Liners, 4.0 x 6.3 x 78.5 25/PAK
Item number: TF453A2342
Brand: Thermo Fisher Scientific
$673.29
Product Image of LinerGOLD Split Liner 1x6.3x78.5mm 25pk
LinerGOLD Split Liner 1x6.3x78.5mm 25pk
Item number: TF453A2332-UI
Brand: Thermo Fisher Scientific
$801.37
Product Image of LinerGOLD Splitless Straight Liner 4x6.3x78.5mm 25pk
LinerGOLD Splitless Straight Liner 4x6.3x78.5mm 25pk
Item number: TF453A2292-UI
Brand: Thermo Fisher Scientific
$563.33
Product Image of GC Injection Port Liners, 4.0 x 6.3 x 78.5 25/PAK
GC Injection Port Liners, 4.0 x 6.3 x 78.5 25/PAK
Item number: TF453A2292
Brand: Thermo Fisher Scientific
$440.93
Product Image of GC Injection Port Liners, 2.3 x 6.3 x 78.5 25/PAK
GC Injection Port Liners, 2.3 x 6.3 x 78.5 25/PAK
Item number: TF453A2282
Brand: Thermo Fisher Scientific
$673.29
Product Image of LinerGOLD Straight Liner, Wool, 4x6.3x78.5mm 5pk
LinerGOLD Straight Liner, Wool, 4x6.3x78.5mm 5pk
Item number: TF453A2265-UI
Brand: Thermo Fisher Scientific
$163.22
Product Image of GC Injection Port Liners, 4.0 x 6.3 x 78.5 5/PAK
GC Injection Port Liners, 4.0 x 6.3 x 78.5 5/PAK
Item number: TF453A2265
Brand: Thermo Fisher Scientific
$124.15
Product Image of SSL mini-Lam Split Liner,deactivated, 4mm, empty 5pk
SSL mini-Lam Split Liner,deactivated, 4mm, empty 5pk
Item number: TF453A2009
Brand: Thermo Fisher Scientific
$464.43
Product Image of S/SL Liner with Wool for Agilent GC, 5.2mm x 6.3mm x 78.5mm, 5/PAK
S/SL Liner with Wool for Agilent GC, 5.2mm x 6.3mm x 78.5mm, 5/PAK
Item number: TF453A2003
Brand: Thermo Fisher Scientific
$136.47
Product Image of Cyclosplitter Liner for Agilent GC, 5.2mm x 6.3mm x 78.5mm, 5/PAK
Cyclosplitter Liner for Agilent GC, 5.2mm x 6.3mm x 78.5mm, 5/PAK
Item number: TF453A2002
Brand: Thermo Fisher Scientific
$355.91
Product Image of Single Gooseneck Metal Liner for Agilent GC, 5.2mm x 6.3mm x 78.5mm, 5/PAK
Single Gooseneck Metal Liner for Agilent GC, 5.2mm x 6.3mm x 78.5mm, 5/PAK
Item number: TF453A2001
Brand: Thermo Fisher Scientific
$268.26
Product Image of LinerGOLD Splitless Liner, Single Taper, Wool 4x6.5x78.5mm 5pk
LinerGOLD Splitless Liner, Single Taper, Wool 4x6.5x78.5mm 5pk
Item number: TF453A1925-UI
Brand: Thermo Fisher Scientific
$213.80
Product Image of GC Injection Port Liners, 4.0 x 6.3 x 78.5 5/PAK
GC Injection Port Liners, 4.0 x 6.3 x 78.5 5/PAK
Item number: TF453A1925
Brand: Thermo Fisher Scientific
$164.54
Product Image of LinerGOLD Splitless Liner, Double Taper 4x6.5x78.5mm 5pk
LinerGOLD Splitless Liner, Double Taper 4x6.5x78.5mm 5pk
Item number: TF453A1355-UI
Brand: Thermo Fisher Scientific
$219.29
Product Image of GC Injection Port Liners, 4.0 x 6.3 x 78.5 5/PAK
GC Injection Port Liners, 4.0 x 6.3 x 78.5 5/PAK
Item number: TF453A1355
Brand: Thermo Fisher Scientific
$189.29
Product Image of LinerGOLD Splitless Liner, Single Taper 4x6.5x78.5mm 5pk
LinerGOLD Splitless Liner, Single Taper 4x6.5x78.5mm 5pk
Item number: TF453A1345-UI
Brand: Thermo Fisher Scientific
$209.32
Product Image of GC Injection Port Liners, 4.0 x 6.3 x 78.5 5/PAK
GC Injection Port Liners, 4.0 x 6.3 x 78.5 5/PAK
Item number: TF453A1345
Brand: Thermo Fisher Scientific
$161.18
Product Image of LinerGOLD Split Liner 1x6.3x78.5mm 5pk
LinerGOLD Split Liner 1x6.3x78.5mm 5pk
Item number: TF453A1335-UI
Brand: Thermo Fisher Scientific
$188.16
Product Image of GC Injection Port Liners, 1.2 x 6.3 x 78.5 5/PAK
GC Injection Port Liners, 1.2 x 6.3 x 78.5 5/PAK
Item number: TF453A1335
Brand: Thermo Fisher Scientific
$140.55
Product Image of GC Injection Port Liners, 4.0 x 6.3 x 78.5 5/PAK
GC Injection Port Liners, 4.0 x 6.3 x 78.5 5/PAK
Item number: TF453A1315
Brand: Thermo Fisher Scientific
$219.39
Product Image of GC Injection Port Liners, 4.0 x 6.3 x 78.5 25/PAK
GC Injection Port Liners, 4.0 x 6.3 x 78.5 25/PAK
Item number: TF453A1312
Brand: Thermo Fisher Scientific
$923.47
Product Image of GC Injection Port Liners, 4.0 x 6.3 x 78.5 5/PAK
GC Injection Port Liners, 4.0 x 6.3 x 78.5 5/PAK
Item number: TF453A1305
Brand: Thermo Fisher Scientific
$166.62
Product Image of LinerGOLD Splitless Straight Liner 4x6.3x78.5mm 5pk
LinerGOLD Splitless Straight Liner 4x6.3x78.5mm 5pk
Item number: TF453A1295-UI
Brand: Thermo Fisher Scientific
$118.67
Product Image of GC Injection Port Liners, 4.0 x 6.3 x 78.5 5/PAK
GC Injection Port Liners, 4.0 x 6.3 x 78.5 5/PAK
Item number: TF453A1295
Brand: Thermo Fisher Scientific
$106.54
Product Image of LinerGOLD Straight Liner, Wool, 4x6.3x78.5mm 25pk
LinerGOLD Straight Liner, Wool, 4x6.3x78.5mm 25pk
Item number: TF453A1262-UI
Brand: Thermo Fisher Scientific
$605.27
Product Image of GC Injection Port Liners, 4.0 x 6.3 x 78.5 25/PAK
GC Injection Port Liners, 4.0 x 6.3 x 78.5 25/PAK
Item number: TF453A1262
Brand: Thermo Fisher Scientific
$523.21
Product Image of LinerGOLD Precision Liner, Wool, 4x6.3x78.5mm 5pk
LinerGOLD Precision Liner, Wool, 4x6.3x78.5mm 5pk
Item number: TF453A1255-UI
Brand: Thermo Fisher Scientific
$196.09
Product Image of GC Injection Port Liners, 4.0 x 6.3 x 78.5 5/PAK
GC Injection Port Liners, 4.0 x 6.3 x 78.5 5/PAK
Item number: TF453A1255
Brand: Thermo Fisher Scientific
$144.40
Product Image of LinerGOLD Precision Liner, Wool, 4x6.3x78.5mm 25/pk
LinerGOLD Precision Liner, Wool, 4x6.3x78.5mm 25/pk
Item number: TF453A1252-UI
Brand: Thermo Fisher Scientific
$716.60
Product Image of GC Injection Port Liners, 4.0 x 6.3 x 78.5 25/PAK
GC Injection Port Liners, 4.0 x 6.3 x 78.5 25/PAK
Item number: TF453A1252
Brand: Thermo Fisher Scientific
$618.88
Product Image of PTV liner for Thermo Trace 2mmID Top Baffle 25/PAK
PTV liner for Thermo Trace 2mmID Top Baffle 25/PAK
Item number: TF45354057
Brand: Thermo Fisher Scientific
$1,233.22
Product Image of Liner for Thermo Splitless 5mmID, 105mm, 25/PAK
Liner for Thermo Splitless 5mmID, 105mm, 25/PAK
Item number: TF45354033
Brand: Thermo Fisher Scientific
$1,193.16
Product Image of Focus liner 1x2.75x120mm, PTV, pk5
Focus liner 1x2.75x120mm, PTV, pk5
Item number: TF45352070
Brand: Thermo Fisher Scientific
$439.79
Product Image of GC Injection Port Liners,1 x 2.75 x 120 PTV 5/PAK
GC Injection Port Liners,1 x 2.75 x 120 PTV 5/PAK
Item number: TF45352062
Brand: Thermo Fisher Scientific
$1,249.10
Product Image of GC Injection Port Liners,1 x 2.75 x 120 PTV 5/PAK
GC Injection Port Liners,1 x 2.75 x 120 PTV 5/PAK
Item number: TF45352060
Brand: Thermo Fisher Scientific
$714.97
Product Image of GC Injection Port Liners, 1 x 2.75 x 120 PTV 5/PAK
GC Injection Port Liners, 1 x 2.75 x 120 PTV 5/PAK
Item number: TF45352057
Brand: Thermo Fisher Scientific
$266.37
Product Image of LinerGOLD Splitless Liner 5x8x105mm 5pk
LinerGOLD Splitless Liner 5x8x105mm 5pk
Item number: TF45350033-UI
Brand: Thermo Fisher Scientific
$346.77
Product Image of GC Injection Port Liners, 5x8 x105 Splitless 5/PAK
GC Injection Port Liners, 5x8 x105 Splitless 5/PAK
Item number: TF45350033
Brand: Thermo Fisher Scientific
$240.33
Product Image of LinerGOLD Splitless Liner 3x8x105mm 5pk
LinerGOLD Splitless Liner 3x8x105mm 5pk
Item number: TF45350032-UI
Brand: Thermo Fisher Scientific
$358.06
Product Image of GC Injection Port Liners, 3x8x105 Splitless 5/PAK
GC Injection Port Liners, 3x8x105 Splitless 5/PAK
Item number: TF45350032
Brand: Thermo Fisher Scientific
$250.63

Liner represent an indispensable element for a proper functioning of the GC system. They allow an injected liquid sample the transition to the volatile phase and then into the GC column. The elevated temperature in the inlet vaporizes the liquid sample for transfer to the head of the GC column. The result is a significant change in the volume during the phase transition - the volume of the resulting vapor has to remain within the volume of the liner. If the expansion volume is too large, the sample can be lost, resulting in a poor reproducibility and sensitivity and this may lead to carryover the entire GC system.

The selection of a suitable liner for your GC system is, however, often not very simple but very important. The key aspects you should consider are the following:

  • Liner ID and geometry
  • Type of injection
  • Packing materials of the liner
  • Treatment or deactivation of the liner

1. Liner ID and geometry

Different liner IDs are indicators of varying volumes. A number of factors affect or reduce the effective volume of a liner, for example:

  • taper, baffles and other liner features
  • packing materials
  • carrier gas

In general the vapor cloud formed by the sample should not exceed half of the total volume of the liner. The expansion volume of solvents limits the injection volume. Solvents with low density and high molecular weight are desirable - this increases the volume of the solvent which can decrease the injected and detection limits.

2. Type of injection

Another key aspect in the selection of a suitable liner is the type of injection. Split liner allow the split flow over the bottom of the liner and causes a removal of a portion of the sample. This allows the implementation of a split injection. A selection of split liner you can find here.

Splitless Liners are usually tapered at the bottom. This helps to convey the sample to the column and minimizes sample contact with reactive metal components in the inlet during injection.

3. Packing material of the liner

The active sites of Inlet liners can adsorb sample components and cause peak tailing. This can lead to a loss of sensitivity and reproducibility. Active sites may also cause deterioration in certain classes of compounds.

4. Deactivation / treatment of the liner

In the Analytics-Shop users can choose from a wide range of liners from numerous manufacturers. These high quality liners offer a significantly improved inertness for a wide range of compounds. With various deactivation processes they often provide enhanced transferring the sample to the GC column, resulting in increased accuracy and precision in the analysis itself. This allows lower detection limits for some agents.

In our offer you will find a wide range of high quality liners and any other accessories for the (gas) chromatography. Questions about our products? Our expert team will be happy to advise you.

When the liners are not exchanged in regular intervals, this can lead to huge problems. Firstly, a used liner cannot guarantee consistent reproducibility, which could affect the entire GC system. Furthermore, the liner should be replaced from time to time in order to avoid degradation of the peak shape and sample disintegration. So-called "ghost peaks" can also be a result of liners that haven't been exchanged in too long.

Sky Inlet Liners increase accuracy and reproducibility with state-of-the-art deactivation. These liners achieve lower detection limits for a wide range of active compounds. The innovative deactivation used for Sky liners leads to exceptional inertness for a wide range of analyte chemistries. By reducing active sites and enhancing analyte transfer to the column, these liners increase accuracy and precision, allowing lower detection limits for many active compounds. Also fewer liner changes are needed and less downtime for maintenance.