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Fig. 9 | Heritage Science

Fig. 9

From: Hydrating softwood and hardwood samples using pure and modified supercritical carbon dioxide

Fig. 9

OH/CH peak areas (around 3460 and 2930 cm−1 respectively) in DRIFT spectra obtained for Maple (blue), White Oak (red), Zebrano (green) and Red Oak (magenta) having undergone the five different treatments: oven-dried, 2.5 mol% MeOH, 5.0 mol% MeOH, 10.0 mol% MeOH and soaked. Each bar represents the overall mean from calculated ratio areas ± one standard error of the mean

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