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...

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 ...

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...