27 



Qi 



Q2 



Q3 



(a); 



^ 



^^ ! 



-^ J. 



^^ ;. 



Qi 



Q2 



Q3 



CID 

 GAS 



QI 



Q2 



Q3 



(d); 



Figure 1-3 MS/MS scan modes of a triple quadrupole mass spectrometer set for 

 (a) daughter mass spectrum, (b) parent mass spectrum, (c) neutral loss 

 spectrum, and (d) selected reaction monitoring. 



