Shown below is the El masS spectrum of ethyl cyclobutane carboxylate. 55 100 80 60 40 83 100 20 128 m/z 30 40 50 60 70 80 90 100 110 120 130

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Q: 69 1000- 800.0 600.0 41 400.0 128 100 123 200.0 151 196 0.000 50.00 100.0 150.0 200.0 m/z Abundance

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Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.