We have been using an Agilent 7890B GC-MS with FID TCD equipped with an autosampler (ALS) for analysing liquid hydrocarbon samples. I would like to analyse gaseous samples of CO, CO2 and H2 in the future. Is it possible to manually inject gas samples…
I am new to Agilent forum, We got a new GC 7820 with FID detector. I am using Open Lab CDS chemstation Ver 2.2, if you upload video turorials for this version that would be really helpful. For your information I got about e familiarisation disk, but I…
Thank you for all your suggestions, this is what I have done so far, With computer disconnected from our Network (to eliminate firewall issues, as per recommended by or IS/IT department): Both instruments connected through hub - failed Only 6850 connected…
Hello Guys, I am using Agilent 7890a GC with an FID detector. Last week I saw that there are few ghost peaks in my chromatogram, so I decided to bakeout the column. After baking the ghost peaks disappeared but now I see and increase in the peak towards…
Hi, Thanks a lot for your great help. However, how to use "Import worklist" function to import entries into the user defined " Amt. and Tot. Amt. " column? Other info are import succesfully except the two ones. I tired " Amt.","Tot. Amt. " in the importing…
Hi galderson,
that's a typical "it depends" answer. For the carrier gas line I assume you use at least a 5.5 or even 6.0 gas quality? Anyway depending on the gas quality there are different concentrations of impurities:
Now you need to…
Hi, There are so many open questions, that i would ask you to run thorugh the "Troubleshooting Tool". It´s an guided pdf, which helps to identify the problem. The last performance report looks quite well, also the torch axis and the em tuning run without…
I have GC-7890B -TCD -FID . I want to maintain the flow of gas sample to be same as calibration gas flow . Are there any option in GC to give same flow of sample and calibration gas or shall i use flow meter at the outlet of GC .
Thank you James, The software that we have, runs in a very old HP computer with Windows 2000 PRO. The equipment´s software only runs in this computer and it has had many fails lately. For it reason, we would like to buy an updated software that it can…
Thank you for your help, Paul. I'm not sure what happened on October 27. Many people use this system.
This morning, the system passed the Tune Evaluation, but the HiVac is still off. I looked at the Manual Tune task box, but do not see where I have…
How to Create a New Database in Spectroscopy Database Administrator (SDA)
Multiple Results
This Information Applies To: Spectroscopy Database Administrator (SDA)
Issue
If the old database is full, or after a specific time interval, it is necessary to create a database in SDA. If you receive a message telling you that the database is full...
Update Database Group Path in Spectroscopy Configuration Manager (SCM)
Multiple Results
This Information Applies To: Agilent Spectroscopy Configuration Manager (SCM)
Issue
It is necessary to add a database to a group path in SCM after creating a new database in Spectroscopy Database Administrator (SDA) . If access to an older database...
How to Access Spectroscopy Database Administrator Software (SDA)
Multiple Results
This Information Applies To: Agilent Spectroscopy Database Administrator Software
Issue
The SDA application can only be accessed by a Windows user who is a member of the Windows Administrators group and Windows SDAAdministrators group.
Steps...
This Information Applies To: AriaMx real-time qPCR system
Issue
The instrument fails to reach the required temperature during a run.
Resolution
Check if the temperature of the environment around the instrument is too low resulting in the instrument...
This Information Applies To : Agilent ELSDs G4260A, G4260B, G4261A, G4621B, G7102A, G7102B
Content :
If the evaporator tube of ELSD becomes contaminated with nonvolatile material resulting in poor chromatography, please use the procedure in this...
This Information Applies To: Agilent ICP-MS (7800/7850/7900/8900)
Issue
The oil should be replaced at least once every six months, or when the oil color is indicates it needs to be changed . The foreline pump should be checked monthly. This article...
This Information Applies To: Agilent ICP-MS MassHunter versions 4.4 - 4.6 and 5.x.
Issue
After performing an autotune, the batch tune report will not generate or print.
Background
ICP-MS MassHunter uses an application called ICP-MS Data Analysis...
This Information Applies To: Agilent 6400 Series triple quadrupole LC/MS systems equipped with a gate valve
Issue
Installing the Ion Transfer Capillary after cleaning or replacement in Agilent LC/MS instruments with a gate valve.
Required Items...
This Information Applies To: Agilent OpenLab CDS 2.x
Issue
This article outlines the procedure on how to quantify uncalibrated compounds in OpenLab CDS 2.x. using reference compounds in the processing method compound table.
Background
Uncalibrated...
This Information Applies To: Agilent OpenLab CDS 2.x
Issue
This article outlines the procedure on how to quantify the uncalibrated compounds in OpenLab CDS 2.x when the analytical method requires a fixed response factor.
Background
Uncalibrated...