Fig. 4From: Japanese cedar (Cryptomeria japonica) ash as a natural activating agent for preparing activated carbonNitrogen adsorption–desorption isotherms at 77 K for ACs prepared using various ash to water ratios and an activation temperature of 850 °C. Legends: JC-0.20-850-1.0, JC-0.25-850-1.0, JC-0.33-850-1.0. ACs activated carbons, JC Japanese cedar wood ashBack to article page