Skip to main content

Advertisement

Table 3 Origin of ions seen in py–MBMS spectra of lignin DHPs

From: The effect of coumaryl alcohol incorporation on the structure and composition of lignin dehydrogenation polymers

  m/z Pyrolysate assignment Origin
Monomers 120 4-Vinylphenol H
121 H
124 Guaiacol G
137 Coniferyl alcohol, homovanillin, 4-ethylguaiacol G
138 4-Methylguaiacol G
147 H
150 4-Vinylguaiacol, p-coumaryl alcohol G, H
154 Syringol S
164 Allyl-, propenyl guaiacol G
167 Propiosyringone, syringylacetone, 4-ethylsyringol S
168 4-Methylsyringol, dimethoxyquinone S
178 Coniferyl aldehyde G
180 Coniferyl aldehyde, 4-vinylsyringol G, S
182 Syringaldehyde S
194 4-Propenylsyringol S
208 Sinapaldehyde S
210 Sinapyl alcohol S
Dimers 281 H–H
296 H–H
298 H–H, G–G
310 G–G
316 H–H
324 G–G
341 G–G
356 G–G
358 G–G
401 S–S
418 S–S