Fig. 3: MALDI-TOF MS spectra of unmodified lignins.
From: Advancing lignin analytics via elucidation of linkage progressions in lignin populations
Top: FEDHP. Middle: ENZDHP. Bottom: MWLS. Mass increments between polymerization clusters are marked, showcasing primarily 178 m/z and 196 m/z increments representing the condensed and uncondensed bonds, respectively.
