How do I select a Split/Splitless liner?

Created by Dr. Know 2 months ago

Split liner

A good liner for split mode operation will offer very little restriction to the split flow path between the bottom of the liner and the inlet gold seal and between the outside of the liner and the inside of the injection port body. The preferred Agilent split liner, part number 5183-4647, incorporates a glass positioning bead on the bottom to facilitate this. It will also incorporate glass wool or some other source of surface area inside the liner that provides for complete sample vaporization across the boiling point range of the sample. Select an appropriate liner from the table below.

Split mode liners
Liner	Description	Volume	Mode	Deactivated	Part Number
	Low Pressure Drop Positioning Bead	870 µL	Split Fast Injection	Yes	5183-4647
	4mm ID, Glass Wool	990 µL	Split Fast Injection	No	19251-60540
	Empty Pin & Cup	800 µL	Split Manual Only	No	18740-80190
	Packed Pin & Cup	800 µL	Split Manual Only	No	18740-60840

Splitless liner

The liner volume must contain the solvent vapor. The liner should be deactivated to minimize sample breakdown during the purge delay. Solvent vapor volume can be reduced by using Pulsed Splitless mode. Use the Vapor Volume Calculator to determine vapor volume requirements.

Vapor volume < 300 µL:

Use 2 mm liner (250 µL volume), 5181-8818 or similar.
Vapor volume 225 300 µL
Consider pulsed splitless mode to reduce vapor volume.

Vapor volume > 300 µL:

Use 4 mm liner, 5062-3587 or similar.
Vapor volume > 800 µL
Consider pulsed splitless mode to reduce vapor volume.
For thermally labile or reactive samples, use G1544-80700 (open top) or G1544-80730 (top taper) liners.

Splitless mode liners
Liner	Description	Volume	Mode	Deactivated	Part Number
	Single Taper Glass Wool	900 uL	Splitless	Yes	5062-3587
	Single Taper	900 uL	Splitless	Yes	5181-3316
	Dual Taper	800 uL	Splitless	Yes	5181-3315
	2 mm Quartz	250 uL	Splitless	No	18740-80220
	2 mm Quartz	250 uL	Splitless	Yes	5181-8818
	1.5 mm	140 uL	Direct Inject, Purge and Trap, Headspace	No	18740-80200
	Single Taper Glass Wool	900 uL	Splitless	Yes	5062-3587
	Single Taper	900 uL	Splitless	Yes	5181-3316
	4 mm Single Taper	Direct column connect		Yes	G1544-80730
	4 mm Dual Taper	Direct column connect		Yes	G1544-80700

Vapor Volume Calculator

Agilent provides a Vapor Volume Calculator to help you detemine if a liner is suitable for a method. To use the calculator install the Agilent Instrument utility provided with the GC. The calculator is also provided with the Agilent G4600BA Lab Advisor software.

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