Gas Sorption: Hysteresis T T Type C Type D Type P/PO P/Po 1 P/Po 1 Cylindrical Slits Conical Bottle neck http://nano.materials.drexel.edu Adsorption/Desorption Adsorption Desorption multilayer menIscus formation development13 http://nano.materials.drexel.edu Gas Sorption: Gas Sorption: Hysteresis Hysteresis Va P/Po 1 Type A Cylindrical Slits Type B P/Po 1 P/Po 1 Type C Type D P/Po 1 Type E P/Po 1 Conical Bottle neck http://nano.materials.drexel.edu Adsorption/Desorption Adsorption/Desorption Adsorption = multilayer formation Desorption = meniscus development