I am using Agilent 8890. I am trying to set the standard for my GC-FID, I am injecting 5mL of methane gas standard with a gas-tight syringe through a switching valve which is set up to the left of my GC. However, I am getting different peaks and areas…
Good Afternoon,
I'm developing a processing method using Mass Hunter Quant. 10.2 for ethanol (quantitate) and other related volatiles (ID only). The instrument setup is a single column that splits to two detectors FID and MS (FID for quant purposes…
In an official Service Note we say "According to our lamp manufacturers there is no shelf life for LC detector deuterium (D2) lamps. Our logistic centers (LC) try to ship lamps from stock before they reach 12 months age. We see the lamps lasting for more…
When you run startup, does it use the Standard Tune or User Tune? In the new D rev of software (5.X) you can go to Startup/Startup Configuration and just above the Hardware settings table select Configure ignition sequence. For C rev (4.X) click the narrow…
What version of Windows do is it running? Go to the cell next to the logo (Type here to search) and enter winver and select the run app. At top it should say Windows 10, at this time only MassHunter 5.2 is Win11 compatible. 2 lines below Windows 10 will…
I have a MicroGC 990. Seemingly out of no where, the following error has popped up after hitting Control -> Single Run on a method we've been using for months:
Failed to submit "D:\ .... path name .... (GMT -04-00).seq" for acquisition.
Please resubmit…
Hello Guys, I am using Agilent 7890a GC with an FID detector. I using this GC in online mode to analyze reactor exit gases. I am currently studying the dehydrogenation of Methylcyclohexane over Pt catalyst. Recently I noticed that the FID response is…
Hi All,
I have an Agilent 7700 ICP-MS running MassHunter 4.6. Interesting issue - the instrument tunes just fine but when I go to run a sample, the data acquisition never stops; it continues well past the time it should have taken including rinse program…
Thank you very much for your quick attention. I take advice to use Labadvisor, however, the host computer is a windows 7 system and the built-in net framework is NE3.5, but LabAdvisor downloaded from Agilent site needs Net Framework version 4.7.2 , which…
I am new to GC. I am trying to make a calibration table for a set of fatty acid standards using Agilent 8860 (GC-FID)
After the derivitization step, analysis of the resulting methyl esters shows only the solvent peak. Usually a very high solvent peak…
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...