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Pyrolisis-GC-MS monitoring of the formation and degradation of melanoidins analogous to humic substances from progressively heated plant biomass

AuthorsGonzález-Vila, Francisco Javier ; Tinoco, Pilar; Almendros Martín, Gonzalo ; Martín Martínez, Francisco
Issue Date1999
PublisherPergamon Press
Citation19th International Meeting on Organic Geochemistry: 455-456 (1999)
AbstractThe melanoidin formation processes are frequently studied in connection to the origin of humic-like macromolecules from abiotic reactions in lignin-lacking sedimentary media affected by external or geothermal heat sources. In environmental conditions, forest fires and burnings of plant biomass promote a series of poorly-known endo- and exothermic reactions both degradative and synthetic, leading to heterogeneous humic-like material. The selective concentration of aromatic structures is one of the most frequently described thermal effects and contributes to the accumulation of condensed material more recalcitrant and less reactive than the original humic substances.
Description2 pages, 1 figure, 1 reference. Póster 67. Celebrado del 6-10 de septiembre, 1999, Istanbul, Turkey.
Appears in Collections:(MNCN) Comunicaciones congresos
(IRNAS) Comunicaciones congresos
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