Figure 4. Nitrogen adsorption-desorption isotherms of five USY zeolites.

From

Study on the SiO2/Al2O3 Ratio of Starting NaY Zeolites on USY Zeolites Properties and Hydroaromatization Catalyst Performance

Fucun Wang, Zhongyang Zhang, Baodong Jin, Baojing Cui, Baojun Jia, Famin Sun, Tiezhen Zhang, Jinling Zhu

Journal of Materials Physics and Chemistry. 2022, 10(1), 17-22 doi:10.12691/jmpc-10-1-3