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Blank Run

Question asked by revathy on Apr 29, 2019
Latest reply on May 3, 2019 by revathy

Hi

I have noticed something different this morning. I did a black run without injection( after I changed the inlet and septum) using my method(same method) continuously for three times. All the three times I am getting different chromatogram, as seen below. Can anyone help me and explain why they are different and is there anything wrong which I need to correct. I am using GC 7820 A with FID Detector.

Run 1

Run 2

Run 3

 

 

 

Thanks in Advance

Revathy

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