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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...

What syringe can be used in the PAL3 LINEX-2 Tool?

Category: LINEX

The LINEX-2 Tool for PAL3 is used to transport liners but it can also be used for liquid injections. The needle length should be 85mm and the glass ø6.6mm. CTC Tool compatibility = D7/85.   Non smart ...

Can the OPTIC-3 and the latest version of Evolution Workstation be used on Windows 10?

Category: OPTIC

We have found that the latest version of Evolution Workstation for OPTIC-3 (Software:2.41 and Firmware 2.7) can only work in Serial mode with Windows 10. Officially we do not support this any more. So...

Can I do On-Column with OPTIC?

Category: OPTIC

The OPTIC inlet can also be used for on-column injections. GL Sciences has designed a tool that enables true on-column injection using OPTIC inlet without an on-column liner. The on-column tool is ver...

Is the ramp rate of 60°C/sec fast enough to perform pyrolysis?

Category: Pyrolysis with OPTIC

For pyrolysis high temperatures are needed, for good peak shapes a  fast ramp rate is needed. A ramp rate of 60°C/sec will give nice peak shapes  that easily can be detected by GC/MS. &...

Siloxane peaks in baseline

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 ...

How to check the thermocouple

Category: OPTIC

The resistance of a thermocouple can be measured to understand if a thermocouple of the OPTIC inlet or cryotrap is broken or not. A digital multimeter is needed to check the resistance between the 2 t...

GCMS Ions, what is what

Category: OPTIC

ions (m/z) Compound Possible Source 13,14,15,16 Methane CI gas 18, 28, 32, 44 or 14, 16 H2O, N2, O2, CO2 or N, O Residual air and water, air leaks, outgassing from Vespel ferrules 3...

Hissing sound in the LINEX box / the LINEX head is not closing well.

Category: LINEX

We have see with older systems that there can be a hissing sound inside the LINEX box and the head is not closing like before. Also this problem is sometimes not constant. We have found that the cylin...

Setup LAN or USB to make communication with OPTIC-4 from Evolution Workstation

Category: OPTIC

We have 2 movies informing you how to setup LAN / USB communication to the OPTIC-4 from Evolution Workstation. Standard the OPTIC-4 is supplied with a USB cable.  Please select the movie of your inter...