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How do I select a Split/Splitless liner?

Created by Dr. Know 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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