When running a calibration on the GCMS the internal standard increases the entire time for all of our standards. It goes from around 1.9 million for the bottom of the calibration to 3.2 million. Recent things that we have done that should help eliminate…
Hello, we were not able to tune the instrument at all. There was so much noise at low mass that it fails the initial quad coarse mass calibration. We think it is PEG contamination, possibly also PPG, but a number of masses correspond with sodiated PEG…
The tune evaluation criteria are benchmarks that GCMS instruments typically pass.
"Designed for" and "works with" are two different things. The tune evaluation was created before the Extractor Source and High Efficiency Source. These ion sources get…
Hey Ryan, try the following. Normally, the valve command failed is coming as a result of the position not found. Overtightened screws are a typical result if you have done maintenance before (happened to me the first time...). Tighten the screws each…
Morning, You are correct. I am running OpenLab CDS ChemStation. Rev code = C.01.04 [35]. Intelligent Reporting product version A.01.04.122. The system suitability issue is that I'm only getting the TCD satistical results. The FID result are not printing…
Hello Lars, Thanks for your reply. Unfortunately, there is no flow meter meter installed. So you are saying that, in your case without stopping gas flow before GC injection, you are only getting 1-2% deviation in FID response? If possible could you explain…
I have a G4226A autosampler with a recurring error message. Movement of needle into seat failed [EE 4714, 3204]
This error started after the autosampler had been repaired by a field engineer. The main board had to be replaced; the computer was unable…
I think that, with this version of the software, there are configuration files stored in the "instrument number folder", e.g. C:\Chem32\n I was going to suggest that you try to delete/rename the config.reg file, having closed all instances of Chemstation…
This Information Applies To: Agilent 8890/8860 GC Systems with SSL, MMI, PTV, or VI inlets.
Issue
Split vent trap replacement is recommended as part of the scheduled preventive maintenance. Sometimes, it has to be replaced when the inlet pressure...
This Information Applies To: Agilent 6000 Series LC/MS systems equipped with MS40+ rotary vane pumps
Issue
Instructions on how to replace the filter in an Agilent MS 40+ pump as part of annual pump maintenance
Background
The filter in the...
This Information Applies To: Agilent ICP-OES 5000 Series (5100/5110/5800/5900) with ICP Expert 7.5.x Software
Issue
The Recommended Routine Maintenance Schedule does not adjust for the number of samples analyses or the sample matrix, both of which...
This Information Applies To: Agilent 7890/7820 GC Systems with SSL, MMI, PTV, or VI inlets.
Issue
Split vent trap replacement is recommended as part of the scheduled preventive maintenance. Sometimes, it has to be replaced when the inlet pressure...
This Information Applies To: Agilent LC pumps
Issue:
Stuck or obstructed check valves (Active Inlet Valve (AIV), Passive Inlet Valve (PIV), Outlet Ball Valve (OBV)) can cause issues such as no-flow or no-pressure, moderate to strong drops in pressure...
This Information Applies To: Agilent 1260 Infinity II multisampler, 1290 Infinity II multisampler, 1260 Infinity II SFC multisampler, and 1260 Infinity II bio-Inert multisampler
Issue
The needle bends while moving to the wash port or showing one...
This Information Applies To: Agilent OpenLab CDS 2.x
Issue
This article outlines the step-by-step instruction on how to overlay chromatograms for OpenLab CDS 2.x
Steps to Follow
Load data from result sets or single samples. See Load or add...
This Information Applies To: Agilent Lab Advisor Software, Agilent Multicolumn Thermostat
Issue:
Agilent Lab Advisor is a great tool to diagnose the issue of your HPLC. Running the tests that are relevant to your specific issue in the Service &...
This Information Applies To: Agilent OpenLab CDS (ver 2.x)
Content:
The following procedure shows how to review completed injections in a running sequence in OpenLab CDS (ver 2.x).
Steps to Follow:
Select the sequence from the Run Queue...