AdvanceBio Spin Columns address the need for efficient sample preparation of proteins or oligonucleotides under aqueous conditions, preserving native structure with suitable ionic strength and pH. Users can easily and quickly remove excess salts or undesired…
Hi, I have a similar problem of the G7167A too. The needle push the septum into the bottom of the vial, then for the next injection it has an error of needle hit the vessel bottom. I was wondering may be the needle is knackered, bent? It will be interesting…
The Digest of upcoming webinars has been updated as of May 8.
The new Agilent Community Group, GPC/SEC Solutions Group hosted a webinar series in partnership with Dow in April: A Journey through SEC, Light Scattering, and 2D-LC for Macromolecules .…
The Introduction Service if purchased includes the following:
Customer guidance to reconfigure the GC from checkout to intended use, including a single injection of a QC standard for the desired method. In the absence of a pre-existing method, the…
In your acquisition sequence table for your calibration samples, is this selected?
Do you use the same name for your data analysis method over time? Are there multiple copies of it on your system? Did you start a new batch from the beginning or add…
Carefully remove the old O ring. There's a spot in the lower right hand edge that has an opening where you can very carefully pry it out. Do not scratch the aluminum manifold.
Use a solvent-dipped cotton-tipped swab to wipe out the entire O ring channel…
This Information Applies To: HPLC Advisor app
Issue
The Agilent InfinityLab HPLC Advisor app is a cost-free mobile app for both Android and iOS.
It offers tools to save time with HPLC troubleshooting, method development, and more. Once installed...
This Information Applies To: Agilent 5977A/B GC/MSD with MassHunter GC/MS Acquisition Software
Issue:
This article describes the procedure to safely pump down (start) 5977A/B GC/MSD with Electron Ionization (EI)
Steps To follow:
Before you...
This Information Applies To: Agilent 5975 and 5977 series GC/MSD
Issue:
Tuning the Agilent GC/MSD with EI sources, requires the use of perfluorotributylamine (PFTBA). The calibration vial will be depleted eventually due to regular use. This article...
This Information Applies To: Agilent 5975 and 5977 series GC/MSD
Issue:
If the PFDTD signal is absent or low, but the reagent ions are normal, you may have run out of CI Calibrant.
Inspect the calibration vial on the back of the flow controller...
This Information Applies To: Agilent 5975 and 5977 Series GC/MSD
Issue:
For some GC/MSD maintenance or repair asks, it is required to open the side plate (filament exchange, ion source cleaning, electron multiplier exchange, column installation...
This Information Applies To: Agilent GC/MS MassHunter Acquisition Software Agilent 5975/5977 GC/MSD
Issue
Use the Early Maintenance Feedback (EMF) tool to track the GC/MSD's consumable resource and part use, and to configure alerts for when they...
This Information Applies To: Agilent GC/MSD systems
Issue:
After a filament fails, there will be a system error message: "No emission current". Switching to the other filament (except for the CI ion source, which has just one filament), and then...
This Information Applies To: Agilent 7693A automatic liquid sampler tray
Issue:
The orange Align Mode light comes on . T he sample tray of the Agilent automatic liquid sampler 7693A will not operate again until the alignment procedure has successfully...
This Information Applies To: Agilent 7693A Automatic Liquid Sampler
Issue:
The automatic liquid sampler may need to be replaced, in case it is worn or dirty.
Steps to follow
To remove the syringe:
Open the injector door.
Slide...
This Information Applies To: Agilent 7693A Automatic Liquid Sampler
Issue:
Two turrets are provided with the 7693A injector, the 16-sample standalone turret, and the 3-sample transfer turret used with the 150-sample tray (See Figure 1 ). The turret...