Real-time monitoring biomass pyrolysis via on-line photoionization ultrahigh-resolution mass spectrometry

•Biomass pyrolysis is monitored via on-line nAPPI Orbitrap MS firstly.•Heteroatom distributions of pyrolysis products are discussed.•Typical markers were determined by tandem mass spectrometry. Identification of pyrolysis intermediates and products is of great significance to better understanding of...

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