Fig. 7From: Evaluation of NO2 sorption of cedar wood (Cryptomeria Japonica) with difference of the specimen size and contact condition between NO2 gas and specimen using new test systemNO2 sorption volume per unit weight and time, \({Q_{{W_{{\text{sor}}}}}}\) in plated, particle and discoid specimen with the 1.5 mm thick of longitudinal direction. The error bars show standard deviation (n = 3). *: p < 0.05 (Tukey HSD method)Back to article page