It all depends how old is your column or how it is handled when not in use. This is pretty much normal with majority of the columns when used in temperature programming. Some vendors claim to provide "zero bleed" columns but honestly there are many if…
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Iron(II)fumarate is a salt with a melting point of 280 °C and therefore not suitable for gas chromatographic analysis. You need to remove the metal ion and set the fumaric acid free, get the sample dry to derivatize it with BSTFA or do an esterification…
Hello,
The infinity II is the HPLC hardware, that can be controlled by several different Agilent software platforms CDS 2.x, Chemstation, EZChrom plus third party data systems. In most of the Agilent software, if you can find the help menus, there…
Hello,
You cannot change the presentation of that results preview screen directly in Chemstation. You might be able to change the behavior using macros, but no configuration is available by default.
Marty
Hello,
Based on the ladder profile in the screenshot you shared, it appears that you are running the DNF-905 kit.
In reference to the issue of missing sample signal or blank lanes, since ladder and marker peaks are present as expected, issue is likely…
K_Ruiter The error you are experiencing could be related to the ESW/FW version used on the Ultivo (I would assume you are using ESW 6.74.3). If you are willing to upgrade acquisition software to the latest (MH 12.1), the new ESW/FW for the TQ may resolve…
This Information Applies To: Agilent 7890 A/B, 8860 and 8890 GC Systems with Split/Splitless (SSL), Multimode (MMI) or Programmable Temperature Vaporization (PTV) Inlets
Issue:
The Inlet Leak & Restriction Test is executed after every inlet maintenance...
This Information Applies To: 5000 series ICP-OES (5100,5110,5800,5900), AVS 4/6/7, ICP Expert version 7.X
Issue
The AVS can contribute to instrument performance issues such as sensitivity and precision. During troubleshooting, bypassing (or skipping...
This Information Applies To: Agilent GC Systems
Issue
Loss of peak resolution can be a combination of decrease in separation and increased peak width. Loss of resolution can impact on analytical reproducibility and accuracy.
Other chromatographic...
This Information Applies To: Agilent GC Systems
Issue
Contamination that creates ghost and carry over peaks can be introduced at different points including sample preparation, introduction, and separation. The additional peaks can cause false positive...
This Information Applies To: Agilent GC Systems
Issue
Several problems can be identified in GC chromatograms, and each of these problems can have various different sources.
Regular maintenance of your instrument in accordance with the recommended...
This Information Applies To: Agilent OpenLab CDS software
Issue
This article describes how to troubleshoot initialization errors during start of OpenLab CDS Data Analysis software. These troubleshooting steps will recreate the OpenLab CDS user.config...
This Information Applies To: Agilent SIPS 10/20 and Flame AA
Issue
Replacing and conditioning the SIPS pump tubing.
Background
Whenever new pump tubes have been installed, it is necessary to condition the tubing before the analysis to prevent...
This Information Applies To: OpenLab CDS software versions 2.1 to 2.5
Contents
This article describes how to process a calibration with disabled calibration points in OpenLab CDS software versions 2.1 to 2.5.
Background
In OpenLab CDS software...
This Information Applies To: OpenLab CDS version 2.6 or later.
Contents
This article describes how to process a calibration when some calibration points have been disabled, using OpenLab CDS software version 2.6 or later.
Background
In previous...
This Information Applies To: Agilent OpenLab CDS
Issue
Outlining the step-by-step instruction on how to integrate peaks using Integration Events in Processing Method.
Background
Integration locates the peaks in a signal and calculates their...