Follow this link for a Java applet implementing the techniques described in "A Self-Consistent Method for Characterization of Activated Carbons Using Supercritical Adsorption and Grand Canonical Monte-Carlo Simulations," by V.Yu. Gusev, J.A. O'Brien and N.A. Seaton, Langmuir, 13, 2815-2821 (1997).The raw kernel data from the above paper are available here.
For additional information, please e-mail Vladimir Gusev.