Question
Pharmaceutical Analysis Question on Mass spectrometry
Which ionization technique in mass spectrometry is most suitable for large biomolecules like proteins:
A
Chemical Ionization (CI)
B
Physical Ionization (PI)
C
Electron Impact (EI)
D
Electrospray Ionization (ESI)
Answer
Electrospray Ionization (ESI)
Explanation
Solution
The correct option is (D): Electrospray Ionization (ESI) .