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. 2014 Apr 24;9(4):e95455. doi: 10.1371/journal.pone.0095455

Figure 6. FTIR spectra of untreated and pretreated corn stover at different severity factor.

Figure 6

a, b and c denote FTIR spectrum of untreated corn stover, pretreated at a severity factor of 3.95 and pretreated at a severity factor of 4.54, respectively.