Figure 9.4. Standard nitrogen isotherms for carbons (a), and cowding FHH plots (b) (circles, Carrott et d., 1988a; diamonds, Voloshchuk et al., 1988,
squares, Isidcyan and Kiselev, 1961; triangles down, Pierce, 1968; triangles up, Rdiguez-Reinoso et d., 1987). Reproduced from Cmtt and Sing (1989).