Which of the following is placed just before the detector in radiofrequency mass spectrometer?
A. Ion source
B. Potential energy selector
C. Ionisation chamber
D. Reflectron
Answer:B
Which of the following is placed just before the detector in radiofrequency mass spectrometer?
A. Ion source B. Potential energy selector C. Ionisation chamber D. Reflectron
Explanation: A potential energy selector is placed before the detector. It balances out the energy of the ion beam.