counts counts counts **Provide the values on each x-axis (be especially clear about the position of all signals). Label EVERY signal with the structure(s) that is/are responsible for >1% of each signal (for both GC-FID and GC-MS). Include isotope signals that result from any atom that has a natural abundance of 1% or greater. Information such as area under the curve, signal intensity, and signal width should be accurately depicted. This is just a template, depending on the assignment some MS spectra below may not be needed. Additional instructions are often provided in the assignment question. If a discrepancy should arise, the assignment instructions supersede the template instructions. FID MS at 5.13 minutes MS at 7.61 minutes MS at 10.43 minutes m/z m/z m/z minutes
ii) On the “GC-FID/MS Template,” draw the molecular
ion isotope pattern that corresponds to the compound
eluting at each of the given retention times for which
there is a signal in the FID spectrum. Clearly
correlate the FID signal with the MS spectrum by
labeling both with a specific retention time.
Clearly label the X-axis at every signal location. In
each of the three mass spectra include only the
molecular ion isotope pattern (no fragmentation
patterns for this problem). Include isotope signals
that result from any atom that has a natural
abundance of 1% or greater. Signal intensities
(height) should be labeled [the absolute value of the
largest signal is not critical (rescale to 100% if you
wish, or not). The most important is that the relative
intensities of signals are correct].

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