Hi, the peak area has no influence on the calculation of Mw when measuring with concentration detectors only (RI, UV, ELSD e.g.). When performing Viscometry & Lightscattering measurements, the peak area is needed for the calculation. As an additional…
Occasionally the tune files get corrupted and you need to go back to an old one or start again from the default atune.u file. Glad the problem is resolved!
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…
This Information Applies To: Agilent 4200, 4150 and 2200 TapeStation.
Issue
Is it possible to analyze single stranded DNA (ssDNA) on the TapeStation? Which kit is the most suitable for analysis of ssDNA?
Resolution
Agilent does not offer any...
This Information Applies To: Agilent 4200 and 4150 TapeStation systems
Issue
How to Run the software installation verification on 4200 and 4150 TapeStation systems.
Background
The 4150 TapeStation model G2992A and 4200 TapeStation model G2991B...
This Information Applies To: Agilent 5200/5300/5400 Fragment Analyzer, and Femto Pulse
Issue
Perform a capillary alignment when a new array is installed in your Agilent Parallel Capillary Electrophoresis instrument. An alignment may also be performed...
This Information Applies To: Agilent 4200 and 4150 TapeStation
Issue
Are the Agilent DNA and RNA ScreenTape assays denaturing?
Resolution
The DNA ScreenTape assays in the TapeStation portfolio are not denaturing. Only the RNA and High Sensitivity...
This Information Applies To: Agilent LC pumps with manual purge valve.
Issue
A good practice before using a system is to purge the system to remove air. This is done by observing the clear tubing from the solvent bottle as well as the waste line...
This Information Applies To: ICP-MS MassHunter 4.x and 5.x
Issue
Unable to open a batch in offline data analysis, or the batch is empty.
If the ICP-MS MassHunter software closes unexpectedly, there is a power outage, or the ICP-MS and computer...
This Information Applies To: Agilent OpenLab CDS versions 2.4 or higher.
Issue
How to preview result files using various Report Templates in OpenLab CDS versions 2.4 or higher.
Requirements
The user has the result set loaded in OpenLab CDS...
This Information Applies To: ICP-MS MassHunter with Spectroscopy Database Administrator (SDA) and Protect Local Data ON.
Issue
An 'Authentication failed' error message appeared after entering user name and password when attempting to download a...
This Information Applies To: ICP-MS MassHunter with Spectroscopy Database Administrator (SDA) and Protect Local Data On.
Issue
With Spectroscopy Database Administrator (SDA) and Protect Local Data turned on, batches are not accessible through file...
This Information Applies To: Agilent AriaMx real-time PCR system
Issue
Scratches on AriaMx optical modules can lead to a reduction in their performance.
Background
Scratches on an AriaMx optical module are shown in Figure 1 .
Figure 1 ....