Are these FID issues only with this instrument or with others in your lab as well. If this is only on this instrument it might have to do with the H2 or air EPCs. If it is on other systems as well, you might want to check your instrument air. I have seen…
It may. I'll review the Report Template Editor Concepts Guide and your post (@wydnaa) and see how this works .As for how we would calculate this manually, I'd just divide the result but the expected value (in our case 0.02 ppm) and multiply this by 100…
Won't start without a "Mating Connector"
I use RS232 to control the pump. The mating connector is not present,
The manual says short pins 4 and 5 and pins 8 and 9 of the IO port.
This results in ramp-up and fail.
What is the correct wiring for…
I have a GC 6850 with an FID. I'll have to upgrade to Windows 10 soon, because Windows will no longer provide security updates for Windows 7. If I upgrade my computer to Windows 10, is there a ChemStation version that's compatible with the 6850 and Windows…
Hello,
Our 6545 QTOF has been idle for a few weeks. When I checked the computer today, I found that "communication failed" errors had started appearing a few days after the instrument was last put to Standby. I'm not sure what happened as I don't think…
Hi, I am using a 6890 GC in split mode with an isothermal temperature and no flow ramp and operating in constant pressure mode. Please can you advise how using the setting constant makeup flow for the FID detector is different to constant column and makeup…
Hi, We observed an error during autotune of QQQ GCMS as "Peak width gain failed", When it was occurred and what is the reason for the repeat error, Autotune was not completed due to " Peak width gain failed".
Please suggest the recommendations and possibility…
Hello Michael,
It's kind of a yes and no answer. Technically, the wavelength calibration will have failed because the strontium wavelength was not found - so you will see this if you check the results. Practically this is unlikely to impact operation…
My manager is wanting me to add pass/fail system suitability assessments to my reports/processing methods. In order to limit my validation work and minimize the number of report templates that I am maintaining, I am trying to keep the report adaptive…
Please check your data files and make sure the solvent peak is completely excluded . I have found that some data files I cannot detect ANY analytes of interest in Optimizer, even though I can identify them in standalone Unknowns Analysis. Without fail…
This Information Applies To: Agilent GC Systems
Issue
Excessive baseline noise can be introduced at different points including sample preparation, sample introduction, separation, and the detector. The excessive background can cause reduced signal...
This Information Applies To: Agilent GC Systems
Issue
Baseline instability that is not reproducible across multiple runs can be introduced at different points including sample introduction, separation, and the detector. The baseline instability...
This Information Applies To: Agilent GC Systems
Issue
Peak fronting is present in a chromatography peak when it has an excessive asymmetry with a leading edge. A normal peak is almost symmetrical.
Other chromatographic problems are identified...
This Information Applies To: Agilent GC Systems
Issue
A shift in retention time can occur for single, multiple or all peaks.
Other chromatographic problems are identified in Basic Troubleshooting for GC Systems . Regular maintenance of your instrument...
This Information Applies To: Agilent GC Systems
Issue
A change in peak size can occur for single, multiple or all peaks.
Other chromatographic problems are identified in Basic Troubleshooting for GC Systems . Regular maintenance of your instrument...
This Information Applies To: Agilent GC Systems
Issue
Peak splitting is when a single compound is shown in the chromatogram as two peaks usually unresolved, or one of the peaks is a shoulder.
Other chromatographic problems are identified in Basic...
This Information Applies To: Agilent GC Systems
Issue
This test isolates the point of contamination to the sample introduction system, which includes the gas supply, gas supply lines, and the sample inlet. It does not include the syringe or autosampler...
This Information Applies To: Agilent GC systems
Issue
Peak tailing is present in a chromatography peak when it has an excessive asymmetry with a trailing edge. A normal peak is almost symmetrical.
Other chromatographic problems are identified...
T his Information Applies To: Agilent 8890/8860/7890/7820/6850/6890 GC Systems with TCD (Thermal Conductivity Detector)
Issue
Problems observed with thermal conductivity detector (TCD) results can have different underlying causes.
Resolution...
This Information Applies To: All GCs, 6890, 6850, 7890, 7820, 8890/8860, Intuvo 9000
Issue:
This article is a troubleshooting guide for when the Flame Ionization Detector (FID) does not ignite or the flame keeps going out.
Cause:
If the FID...