Atmospheric pressure chemical ionization fourier transform ion cyclotron resonance mass spectrometry for complex thiophenic mixture analysis
N. Hourani, J.T. Andersson, I. Möller, M. Amad, M. Witt, S.M. Sarathy
Rapid Communications in Mass Spectrometry, 27, pp. 2432-2438, (2013)
Polycyclic aromatic sulfur heterocycles (PASHs) , Atmospheric pressure chemical ionization (APCI)
Polycyclic aromatic sulfur heterocycles (PASHs) are detrimental species for refining processes in petroleum industry. Current mass spectrometric methods that determine their composition are often preceded by derivatization and dopant addition approaches. Different ionization methods have different impact on the molecular assignment of complex PASHs. The analysis of such species under atmospheric pressure chemical ionization (APCI) is still considered limited due to uncontrolled ion generation with low- and high-mass PASHs.
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