That is certainly worse. There's one last thing to try that is not invasive. Create a blank method that is, oh, 2 or 3 hours long with the oven at your normal final oven temperature and the electron multiplier turned down to, oh, 700V. You want the hydrogen…
The injection port must have sufficient flow through it to eliminate any possibility of oxygen entering the system. The Split/Splitless injection port needs 20 ml/min or more going through it for that to happen. 20 ml/min of gas is a very small amount…
Hello, the time is taken from the computer clock. Changing the time during a run will make the times on the samples change. You cannot manually edit the time on a run. Your data going forward will reflect the correct time.
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Agilent Gas Chromatography Supplies & Consumables
Things to consider:
Did you purchase additional required install supplies from Agilent, or will you be providing your own?
Did you purchase sufficient supplies to begin normal operations of the…
Hi,
you can override the mass axis settings, but be advised, that this can cause the loss of counts.
To do a manual mass axis setting do the following:
Go to "Options" and activate "Override Hardware Settings Function in Tune"
In your Batch…
Hello,
For ESTD and ESTD% Chemstation uses the following formulas to calculate compound amounts:
It is not possible to change how these calculations are performed. You would have to perform the concentration calculation you mentioned in the report…
Good morning Serge, today I turned on my ft ir 630 after a few months and I also encountered the same problem as you. Can I ask you how you solved it? Thank you.
Giuseppe
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...