Hello !
I interesting gc8890 and gc7890.
In datasheet the gc 7890 writing about posible instal 3 detector maximum, but in datasheet gc 8890 writing about posible 4 detector. I never see 4 detectors are installed simultaneously on one chromatograph…
Hi Brenda, Whats the total flow setting on the inlet set at? If the total flow is set high because of a high split can be one reason. I suspect this is more of a hardware fault like a blocked split line or a split valve problem. Shutdown #4 This message…
Hi abtisam, The main reason for this problem you didn't select detector signals. when we don't selecAdd t signal detector we never see baseline chromatogram,to solve this problem from online plot for FID signal Click on change than from Edit signal plot…
Hello Maybe this question be out-of-date for the current time but I will be appreciate for everyone that can help me. I have few Varian CP-3800 GC in our Lab, unfortunately some of them failed to operate because of electrical board part. I requested these…
Hi wcody, thank you for the reply! It is Windows 10 Pro 64-bit. These 6890 FIDs are new to the lab, Windows 10 pro was what the technicians had installed on the computers when we received them.
There is currently no available solution for working with MassHunter data. If your GC has an FID in addition to a mass spec, you could use OpenLab GC ChemStation to acquire the FID signal data. Then addon G2887BA could be used to analyze the ChemStation…
James, Thanks again. Actually, at first we had "EPC or detector error” and we tried to clean the detector but with no change. Once the GC says “Ignite, ignite” the error pops out. We tried second module (the refurbished) and at first we were receiving…
What are the pros and cons of putting a TCD in series with an MS? I know that it's possible to put a TCD and FID in series but I want MS data, not FID data. I tried teeing off the column between the MS and TCD but all the samples keep going to the MS…
ISH, that is a very good question. Yes, you can. However, you have to be mindful of a few things. For the Deans Switch to operate optimally, the downstream pressure need to be the same on both columns downstream of the Deans switch. The MSD operates under…
Hello,
We just recently got a new tapestation 4150 in our lab, which we're trying to set up. As a part of the setup I rand the full system diagnostics to see if the system is working with the Tapestation Test Tape. Everything runs successfully and the…
This Information Applies To: HES ion source in 5977B/C GC/MSD, 7010 triple quadrupole GC/MS systems
Issue
The filaments are replaced as part of routine maintenance, or when they break (zero output current).
Items Required
Gloves, nylon,...
This Information Applies To: Agilent 5977A/B/C GC/MSD
Issue
The Electron Multiplier Horn must be replaced when it is contaminated or the EMV value reaches 3000 V with a clean ion source.
Items Required
Electron multiplier horn (5977B/C:...
This Information Applies To: Agilent 5973/ 5975/5977 GC/MSD with rotary vane foreline pump
Issue:
The oil mist filter is recommended to be replaced annually. If the color of the filter has changed or there is smell from the filter, the oil mist...
This Information Applies To: Agilent EI Source
Issue:
During normal operation of the GC/MS, the EI SST/Inert ion source will need to be disassembled to proceed with abrasive ion source cleaning and / or routine replacement of consumable parts (filaments...
This Information Applies To: Agilent G7129A/B/C Vialsampler
Issue:
Replacing the needle and needle seat of the Vialsampler is required when:
The needle is visibly damaged.
Leaks or blockages in the vialsampler are observed, especially between...
This Information Applies To: Agilent G1311A/B/C, G7111A/B, Quaternary Pumps, and G1310A/B, G7110B Isocratic Pumps, G1312A/B/C, G7112B Binary Pumps
Issue:
How to diagnose no flow or no pressure issues on binary, quaternary, or isocratic pumps.
...
This Information Applies To: Agilent UV and RID detectors
Issue
A clogged flow cell causes high backpressure. The clog can be removed by flushing the system with solvents at high pressure. If you suspect a clog or experience high backpressure due...
This Information Applies To: Agilent G1312X and G7112X binary pumps.
Issue:
A blockage before the pressure sensor, e.g. in a pump head, will not give a high pressure or overpressure system error. Instead, the pump may show one of various error messages...
This Information Applies To: Agilent 1100, 1200, 1260 LC Pumps.
Issue:
The following procedure allows the cleaning of residue from the pump's check valves, often caused by polymerization of aged acetonitrile or salt-based solutions that may prevent...
This Information Applies To: Agilent LC Systems
Issue
After analyzing dirty or concentrated samples, some sample compounds may retain in the column and other parts of the HPLC system. If the column re-equilibration after each run is not enough to...