Good day . i have another issue to my 8890. after replacing the fused silica in transfer line. tha air flow in FID is suddenly shutting down. then i try the detector diagnostic in the system it said test failed and need to replace the jet.
after replacing…
Hello,
this look like your plasma is not align with the cones. For the EM to failed it's difficult. You have to check for noise when it's doing it and if the counts are low when it's using mass 80. You can try to tune EM with mass 37 if you know where…
Try to ignite the plasma, without fixing the shield plate. Due to poor quality of argon gas or leak on gas line, reflected power will be above the limit and prevent the plasma sustain. Sometimes, the plasma sensor fiber optics tip is damaged, needs to…
Hello,
I am currently developing a residual solvent analysis method by Gas chromatography equipped with a flame ionization detector. My sample is an API with a phosphate salt attached. One of the residual solvents of interest is triethylamine. When…
8/7/19
Hello,
I have had a fair amount of success with posted questions in this forum, so here is another one. I am interested in knowing more about whether the flame ionization detector I have equipped on my HP/Agilent 6890 GC is the correct detector…
We have a lot of 1260s and 1290s in our lab, and as part of our sustainability initiatives are looking for ways to reduce our energy usage. Currently, all the instruments are left on (standby), and most of them also have the lamps on when not in use.…
When I need information about detectors I use the following books:
Raymond P. W. Scott "Chromatographic Detectors - Design, Function, and Operation", Chromatographic Science Series Volume 73, Marcel Dekker, New York (1996). ISBN 0-8247-9779-5.
Raymond…
Hello Inês,
Typically we use the Performance report as a general health report of the instrument. Changing plasma parameters may cause the test to fail, unless you correct the limits. Moving the sample depth will decrease sensitivity and can increase…
Hi Guys,
I have a GC that does not seperate natural gas(maily C1 and C2 with small traces of C3+), it comes as almost one peak, and for condensate (C3+) it seperates C6+, and does not seperate C3÷C5,
I Have,
1: Readjusted the split ratio Many Many…
Hello
I'm trying to setup report to have values in column "PASS/FAIL" green or red depends on result.
Can I do it as conditional formatting for column "PASS/FAIL" to mark FAIL as red based on text?
This column "PASS/FAIL" is custom field and…
This Information Applies To: All Agilent LC systems.
Issue:
A cluster is partnership between modules. Most modules are linked to other modules automatically, without intervention from the user, but sometimes the cluster is configured manually. ...
This Information Applies To: All Agilent LC modules.
Issue:
If there are troubleshooting issues with LC hardware as a part of an Agilent OpenLab system, Agilent Support representatives may ask you to provide them with a Diagnostic Buffer file to...
This Information Applies To: Lab Advisor software - Agilent G 7116A/B Multicolumn Thermostat (MCT) modules
Issue:
The Lab Advisor Thermostat test is a rapid test that evaluates the cooling and heating performance of the two Peltier elements in your...
This Information Applies To: Agilent Refractive Index Detectors, G1362A and G7162A/B
Issue:
The ASTM Drift and Noise Test for Agilent RID modules available within Agilent Lab Advisor Software fails. This article will help you identify potential...
This Information Applies To: Agilent Variable Wavelength Detectors G1314D, G1314E, G1314F, G7114A/B, and Diode Array Detectors G1315C, G1315D, G7115A, G7117A/B/C.
Issue:
When using UV lamps that do not have the RFID tag built in, the VWD and DAD...
This Information Applies To: Agilent 1100, 1200, 1290, and 1260 Quaternary Pumps
Issue
The Multi-Channel gradient valve may create pressure fluctuations and retention time shifts due to cross port channel leaks. To check if there are cross port...
This Information Applies To: Agilent G7120A Infinity II High Speed pump modules
Issue:
The inlet valve is stuck if there is no flow when purging, or if the pump is not generating pressure after being turned off for an extended time period.
Steps...
This Information Applies To: All Agilent LC modules
Issue:
The LED Status Indicators are common features for all the HPLC modules. The indicators are located on the top right corner of each module, opposite to the power switch led as shown in Figure...
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...