next up previous contents
Next: 6.2 Origin of Molecular Up: 6.1 Molecular Mass Previous: 6.1.3 The Nitrogen Rule   Contents

6.1.4 Exercise-MI Assignment

Calculate the molecular mass of PFTBA, the mass spectrometer calibration compound used in this laboratory. Examine the mass spectrum of PFTBA. Does this molecule give an MI signal in the standard 70 eV EI spectrum?

John S. Riley, DSB Scientific Consulting