The maximum value in the software is 3000V. The EM usually starts out with quite a low required voltage, sometimes as low as the mid 800s to 1000V or so, jumps up sort of quickly, then stabilizes and goes up slowly until near the end of its life when…
Good job checking the heater and sensor with a voltmeter! 113 Ω is nearly typical at room temperature and 17-20Ω is typical for the heater. (see also (+) AUX 2 heater fault - Forum - GC/MS - Agilent Community ) Please also measure from each to the transferline…
Try tightening the black knob that holds the sample turret onto the turret motor. The turret is keyed onto the motor and the knob just holds it down, but if it has any wiggle room you might see the shuddering shown in the video.
After that, remove…
It really does not matter whether you do a wavelength calibration axial or radial, because the wavelengths hitting the detector are the same. The relative intensities will be different though, so the specific wavecal worksheet has specific threshold intensities…
It's going to be difficult to determine what is going on without seeing your batches. I would recommend that you contact tech support or your local Agilent applications chemist and send them your batches so they can help you.
Some COVID-19 vaccines are using lipid-based nanoparticles to act as drug delivery systems for effective on-target payload delivery. Just like any finished product components, lipid nanoparticle components—like pegylated lipids, cholesterol, ionizable…
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...
This Information Applies To: Agilent GC Systems with Flame Ionization Detector (FID)
Issue:
The Flame Ionization Detector (FID) jet could become clogged with ferrule material, column bleed, or heavy molecular analytes. The clogged jet will affect...
This Information Applies To: Agilent GC Systems with Split/Splitless (S/SL) inlet
Issue
Different liners are required for different high concentration, split analysis techniques including:
General use liners
Auto inject, general use
Auto...
This Information Applies To: Agilent GC Systems with Split/Splitless (S/SL) inlet
Issue
Different liners are required for different splitless trace analysis techniques including:
General use liners
Pressure, temperature, volume (PTV)
Hot...
This Information Applies To: Agilent 6890, 7890, 7820, 8890 and 8860 GC Systems with Split/Splitless (S/SL) inlet
Issue
Replacement of the Gold Seal is required as part of inlet maintenance. Replacement is required when the performance of the inlet...
This Information Applies To: Agilent GC Systems with Micro-ECD.
Issue
The Wipe Test is an annual test that performed by end user of the micro-ECD (Micro Electron Capture Detector or uECD) to help ensure radioactive safety when using the detector...
This Information Applies To: Agilent GC Systems with thermal conductivity detector (TCD)
Issue
Baking the thermal conductivity detector (TCD) at high temperatures can remove sample contaminants that have deposited on the detector surfaces.
Items...