How should I condition a TD tube?

Category: LINEX

Before TD tubes can be used the desorption tubes must be conditioned. Conditioning involves the continuous flow of a high purity carrier gas (either Nitrogen or Helium) while the desorption tubes are ...

How can I optimize my Large Volume Injection (LVI) ?

Category: OPTIC

We recommend you to read the training guide first. Optimization Routine For Large Volume Injection This LVI routine is based on OPTIC and fast (not speed controlled) injections. A packed liner (sinter...

How often do I need to replace the Split Line Filter?

Category: OPTIC

The OPTIC-3 and OPTIC-4 Multi Mode Inlet for Gas Chromatography have a filter in the Split liner to protect the Electronic Gas Control. This filter needs to be replaced minimum once per year, but if y...

Leak at the head of the LINEX / head does not close fully.

Category: LINEX

Never test a leak with a soap solution like Snoopy. Always use an electronic leak detector like our LD239.   Check also finding leaks for the OPTIC   Please make sure that the Air pressu...

Siloxane peaks in baseline GCMS

Category: OPTIC

GC-MS Siloxane Peak Contamination (masses 73, 147, 207, 281, 355) Running a baseline chromatogram done without sample or solvent injection should show a nice chromatogram without peaks, but sometimes ...