“…Temperature-programmed desorption of deactivated catalyst samples was conducted in-line with gas chromatography/mass spectrometry (TPD-GC/MS) to elucidate inert-flow removable species, as a novel and low time-consuming technique alternative to extraction-analysis of soluble coke. Fourier-transform ion cyclotron resonance mass spectrometry (FT-ICR MS) is a novel high-resolution technique that has been used to analyze the molecular composition and structure of a wide variety of complex solid and liquid samples [25][26][27]. Recent studies have shown its applicability to study the coke deposited during the conversion of simple organic molecules (e.g., methanol, ethylene) [28,29].…”