![]() ![]() What steps does your laboratory take to ensure that the GC-FID instruments are operating correctly? Do these steps meet or exceed LOM requirements?.If methane elutes from the column at a retention time of 0.70 minutes, what are the linear velocity (µ) and the flow rate (F) of the carrier gas? Methane is injected on a HP-1 column with the dimensions of 15 m length x 0.32 mm internal diameter x 0.25 um film thickness operating at an oven temperature of 110 C using helium as the carrier gas.What are some of the possible causes of a GC that does not show any peaks in the chromatogram after sample injection?.Offer reasons for a tailing peak versus a fronting peak.Why might a substance produce an asymmetric peak in a gas chromatogram?. ![]()
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