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Logic Puzzle #43: Is Signal Intensity on a Mass Spectrum Problematic?

A key element in data interpretation is to identify any warning flags. Warning flags can help a chemist differentiate good data from bad data.

For an unknown compound, the TOF-ESI+ mass spectrum below shows the expanded region around four isotope clusters at m/z 300.336 ([M+H]+), 322.307 ([M+Na]+), 599.672 ([2M+H]+) and 621.611 ([2M+Na]+).

Are the intensities of the 13C isotope any indication of a problem with the data?

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