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7890B GC flame ignition isue

mgupta*9615

Hi, I have a agilent GC 7890B with FID. currently  i am a facing a problem regarding this GC, problem is like that -

all gases supply is ok, no leakage is found in detector portion. i have  cleaned the FID & Jet but flame is not burning.

So kindly suggest me what to do ?

 

Thanks

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  • 0

    I had the same Problem.

    I just changed the N2 Makeup Gas from 35 to 25. 11 you will loose so u get 14 at the detector.

    Agilent recommend these settings too. Air to H2 supposed to be 1 to 10.

    Check on the top of your device if it glowing while it say " ignition".

    Also you can hear the igniting sound.

    You can also check the outcome of your column. Just activate the flow and check with a glass of water at the end of the column if you see small bubbles.

     

    Hope I can help

Reply
  • 0

    I had the same Problem.

    I just changed the N2 Makeup Gas from 35 to 25. 11 you will loose so u get 14 at the detector.

    Agilent recommend these settings too. Air to H2 supposed to be 1 to 10.

    Check on the top of your device if it glowing while it say " ignition".

    Also you can hear the igniting sound.

    You can also check the outcome of your column. Just activate the flow and check with a glass of water at the end of the column if you see small bubbles.

     

    Hope I can help

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