These are GCMS chromatograms / Peaks of two oil samples [SAMPLE-N1 & N5] where aromatics distribution in SAMPLE-N5 are puzzling compared to SAMPLE-N1.
As we know 1-MP & 9-MP are less stable compared to 2-MP & 3-MP. Are they converted to [2/3-MP], What should I call to these two peaks of SAMPLE-N5 [The main question]
I want to find MPI-1 Parameter for Oil Maturity.
Are they biodegraded? I need help. Thanks in advance.
Geochemistry
Simple answer: your N5 sample was run with GC-MS having very poor chromatogarphy, so that 3-MP coelutes with 2-MP, and 9-MP with 1-MP. You can thus still use it to find MPI with that infor, but you should try to get a much better quality data on that sample.
I agree with answer Majid Alipour Mamaqani " The mass chromatogram belonging to sample N5 seems to suffer from poor chromatographic resolution caused by slower scan rates. Therefore, it fails to provide sufficient details about different MP compounds".
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