Hi kalle-h,
Has the method worked well for you in the past? Any changes recently like column trims? Sometimes small pieces of column can get caught inside the modulator fittings and impede flow, which has negative effects on our data.
If your peaks…
Hello brandon.mendoza.ardena ,
It would be hard to tell, not seeing it or hearing it in person. But a good start would be to make sure there is nothing in the carousel that might cause that (broken vials, caps, or various other debris).
Could also…
Hello Durjoy123 ,
The logic board for 7890A+ does not have the same part number as the 7890A. I wouldn't hazard a guess as whether it will "work" or not. It seems like it does in your case.
But as a general rule I would stick to the board part number…
Check out our new article titled Mastering Pressure Management in GPC/SEC Systems , which has been published in the April issue of the Column . The authors are Dr. Daniela Held and Dr. Michael Krämer .
Hi Biyi ! Is it that the QTOF appears online the Agilent MassHunter Workstation Data Acquisition software? When I power cycle my 6545 XT Q-TOF, I push the power button the Q-TOF and wait maybe 30 seconds. We try not to go more than a minute of being off…
Hi friends!
For starters, here is information about my equipment:
Instrument
Model
1290 Multisampler
G7167B
1290 High Speed Pump
G7120A
1290 Column Compartment
G7116B
6545 XT LC/Q-TOF
G6549A
Reagents…
When attempting to submit a sequence in EZChrom, it fails to submit and returns this error message:
This happens each time a sequence is submitted. Any help would be appreciated!
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...