Figure 6From: Evaluating the composition and processing potential of novel sources of Brazilian biomass for sustainable biorenewables productionCPMASTOSS spectra of the solid fractions of E.grandis x urophylla barks samples submitted to the different pretreatments. (a) hot water; (b) sodium bisulfite; (c) sulfuric acid and (d) sodium hydroxide pretreatments, respectively.Back to article page