Fig. 4From: Hydrating softwood and hardwood samples using pure and modified supercritical carbon dioxideThe normalised moisture content of wood samples taken at 0 h, 168 h (1 week) and 504 h (3 weeks). The wood samples have been treated with scCO2(PURE) in the presence of water. Each point represents the overall mean from five independent sets of measurements ± one standard error of the meanBack to article page