Characterization of silicon species issued from PDMS degradation under thermal cracking of hydrocarbons: Part 1 – Gas samples analysis by gas chromatography-time of flight mass spectrometry.

Highlights: [•] The understanding of antifoaming degradation is essential for silicon speciation. [•] PDMS degradation under thermal cracking of hydrocarbons was achieved. [•] Volatile siloxanes, silanes and silanol were characterized by GC/TOFMS. [•] A breakthrough in silicon speciation to understand silicon poisoning in gas cuts. [Copyright &y& Elsevier]