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Detectors
Makeup Gas Adapter Maintenance/Installation Procedure
1. Remove the Makeup Gas Adapter from the ECD fitting with a 9/16 in. wrench.
Be careful not to stress the 1/16 in. stainless steel gas supply tube.
2. Unscrew the end cap of the Make Gas Adapter and ultrasonically clean in solvent.
3. Remove the old liner.
4. Clean the Makeup Gas Adapter body with solvent in a Nalgene squeeze bottle.
5. Wipe the Makeup Gas Adapter with a clean laboratory wipe.
6. Install the replacement liner.
7. Reinstall the tip of the Makeup Gas Adapter and tighten securely.
8. Reinstall the Makeup Gas Adapter. Make sure it is fully inserted into the detector.
9. Reinstall the column.
10. Reinstall the insulation cup.
Electron Capture Detector (ECD)
Liner Selection
The only assembly that requires routine maintenance is the glass liner in the makeup gas
assembly, especially for the µECD. All sample passes through the indent in the mixing liner
of the µECD. The mixing liner should be replaced if there is a significant loss of sensitivity
or any time the column is removed/reinstalled in the detector.
• Gigabore Liner (p/n 19233-20625): for original ECD design (5890 and 6890), brown,
polyamide coating
• Mixing Liner (p/n G2397-20540): for µECD, clear glass with indent
Agilent's plasma treated inlet
O-rings are pre-cleaned using
a two-step proprietary process
to minimize contaminants
common in flurocarbon
O-rings. Order part number
5188-5365 for standard
split/splitless inlets and
5188-5366 for the Flip Top.
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