Hello,
My concern with chromatographic blank subtraction has to do more with the chromatography shifting in RT. When that happens even if the blank peak is smaller than the peak in the standard or sample it can shift enough to cause artifacts on your…
Yup, this seems like it'd be a super useful feature, except you'd have to make sure your CPS are adjusted for every batch after you calibrate. It would be nice to be able to just use the calibration curve for your batch
Hi, I don't think it is a fault of the purity of the solvent. This is normal when using acetonitrile. If you are using an iso pump to dose your reference masses, increase the flow rate, as the gradient rises. Another option is to change the mobile phase…
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Method and Application Review of ASTM D5185 for the Analysis of Used and Unused Lubricating and Base Oils by Inductively Coupled Plasma Atomic Emission Spectrometry on…
I am not aware of any default 'oxide' conversion in MassHunter.
Titanium requires HF to remain stable in solution. A linear high-bias across the entire calibration range could indicate that titanium was lost (low) in your calibration standards. Easy…
Hello,
I would first try to delete the instrument configuration setting as outlined in the article linked below. It can be difficult to help with issues like this in the community, so I would look at opening a ticket with your local Agilent support…
Hello,
I would check Adobe reader on the system as the first action when having reporting issues. See the article below for version and configuration settings for Adobe reader. If you still have crashing issues with Chemstation after checking Adobe…
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...