Part 1 included many questions and some answers about the maximum abundance that should be detected at the electron multiplier. Another important consideration is how much sample should go into the column.
See Which Electron Ionization Ion Source? Part…
Thank you for taking a moment to review the Community Guidelines. You agree to all of the guidelines posted and linked here when using the Agilent Community. These guidelines are here to help you be a valuable contributor to the community and make sure…
Hi, I have an old 6890 with a jet direct card. We lost power to the instrument and since then it has not been able to connect to the PC. I tried updating the bootp software with the correct mac address and power cycled instrument with the same issue.…
Support and educational resources for the Microplate Centrifuge and Automated Centrifuge Loader .
Automation Solutions Knowledge Base
Microplate-Handling Device Guides
PDF user guides
Support Documents
G5582A Centrifuge Installation Checklist…
-Have you tried a diferent column ? An old column could have retention time issues and peak distortion.. -Have you had any pressure fluctuations during your run ? Try running a Pump leak rate test, to see if the problem is not in the pump-head. -Do a…
On a G1329B autosampler I lose the plastic housing to have access to a valve. Then I forgot to reassemble it and when turn the unit on, the needle went to the top.
Now, I cannot put the plastic housing back, and interferes with the arm.
I…
This Information Applies To: Agilent Liquid Chromatography (LC) systems
Issue:
Shutting down the HPLC for a long period requires following this general procedure to prevent damage to the system and the column.
Steps to follow:
Store the...
This Information Applies To: Agilent G7129A/B Autosampler with Sample Thermostat/Cooler G7167-60101 or G7167-60005.
Issue:
The autosampler may stop working from time to time, potentially giving off loud noises and switching off the light. The only...
This Information Applies To: Agilent 5977A/B GC/MSD with EI source, EI Extractor Source, or CI Source.
Issue:
During normal operation of the GC/MSD, the source will require cleaning. It is time to clean the source when:
There is a loss in analyte...
This Information Applies To: Agilent HES source, Agilent 5977 Series GC/MSD
Issue:
During normal operation of the GC/MSD, the source will require cleaning. It is time to clean the source when:
There is a loss in analyte response not improving...
This Information Applies To: Agilent 5977 and 5975 Series GC/MSD systems
Issue
The autotune fails and reports the error Tune action stopped: Gain and offset = 0 and peaks are too narrow!
Resolution
The MSD autotune program is run after routine...
This Information Applies To: Agilent ICP-MS systems (7700/7800/7850/7900/8800/8900)
Issue
Condition new or cleaned ICP-MS skimmer cones and sampler cones by aspirating a Conditioning Solution before use.
Background
Drift up can be a sign of...
Turn On the GC/MS Interface and Oven Using OpenLab CDS
Multiple Results
This Information Applies To: Agilent GC/MS instruments controlled by OpenLab CDS software
Issue
Turning on the GC/MS interface heater and Oven using OpenLab CDS software.
Steps to Follow
From the Home tab, click Method > Instrument Setup...
This Information Applies To: Agilent ICP-MS systems (7700/7800/7850/7900)
Issue
The signal monitor function in MassHunter can help with troubleshooting low sensitivity, carry over, contamination, or high background. It can also be used to optimize...
This Information Applies To: Agilent UV detectors (Variable Wavelength Detectors, Multiple Wavelength Detectors, and Diode Array Detectors)
Issue
Checking accumulated hours on the UV lamp.
Steps to Follow
There are four ways to check the accumulated...
This Information Applies To: Agilent 7700/7800/7850/7900/8800/8900 ICP-MS
Issue:
Poor internal standard (ISTD) mixing can cause high relative standard deviation (RSD).
The recommendations in this article are applicable if:
It takes a long...