FARADAY DISCUSSIONS OF THE CHEMICAL SOCIETY NO. 59 1975 Physical Adsorption in Condensed Phases THE FARADAY DIVISION CHEMICAL SQCIETY LONDONFARADAY DISCUSSIONS OF THE CHEMICAL SOCIETY NO. 59 1975 Physical Adsorption in Condensed Phases THE FARADAY DIVISION CHEMICAL SQCIETY LONDONA GENERAL DISCUSSION ON Physical Adsorption in Condensed Phases 2nd, 3rd and 4th April, 1975 A GENERAL DISCUSSION on Physical Adsorption in Condensed Phases was held in the Department of Chemistry at the University of Bristol on 2nd, 3rd and 4th April, 1974. The President of the Faraday Division, Professor T. M. Sugden, F.R.S., was in the chair : about 150 Fellows of the Faraday Division and visitors from overseas attended the meeting. Among the overseas visitors were : Miss D. Baumer, West Germany Dr.K. Brauer, West Germany Dr. J. A. De Feyter, The Netherlands Prof. G. H. Findenegg, West Germany Prof. K. E. Gubbins, U.S.A. Mr. J. M. Haile, U.S.A. Dr. F. Th. Hesselink, The Netherlands Dr. D. Horn, West Germany Dr. R. 0. James, Australia Mr. H. Kern, West Germany Mr. L. K. Koopal, The Netherlands Mr. J. Krueger, West Germany Dr. J. E. Lane, Australia Prof. J. Lyklema, The Netherlands Dr. M. Millot, France Dr. D. J. Mitchell, Australia Prof. B. A. Morrow, Canada Prof. B. W. Ninham, Australia Dr. J. W. Perram, Australia Mr. H. Petry, West Germany Dr. P. C. Scholten, The Netherlands Prof. A. Silberberg, Israel Prof. C. A. Smolders, The Netherlands Dr. H. G. Smolka, West Germany Mr. J. Specovius, West Germany Dr. L. Ter-Minassian-Saraga, France Prof. L.Viet, France Mrs. M. Vignes-Adler, France Dr. H. J. Vledder, The Netherlands Dr. S. G. Whittington, Canada Mr. A. M . J. Spruijt, The Netherlands Dr. R. R. Stromberg, U.S.A.ISBN: 0 85186 858 4 ISSN: 0 301-7249 0 The Chemical Society and Contributors 1976 Printed in Great Britain at the University Press, AberdeenCONTENTS 7 Introduction by D. H . Everett 13 22 29 38 46 55 63 76 88 97 109 117 127 Self-Energy in Adsorption by J. Mahanty and B. W. Ninham A Computer Simulation of the GaslLiquid Surface by G. A. Chapela, G. Saville and J. S. Rowlinson Structure of the Liquid/ Vapour and LiquidlSolid Interfaces by J. W. Perram and L. R. White Adsorption of Fluids: Simple Theories for the Density Profile in a Fluid near an Adsorbing Surface by G. H .Findenegg and J. Fischer GENERAL DIscussIsN-Dr. S. Levine, Dr. D. Clian, Dr. P. Richmond, Prof. B. W. Ninham, Prof. D. H. Everett, Mr. G. A. Chapela, Dr. G. Saville, Prof. J. S. Rowlinson, Prof. S . G. Whittington, Dr. M. Lal, Dr. J. E. Lane, Dr. N. G. Parsonage, Dr. S. Toxvaerd, Prof. G. H. Findenegg, Dr. C. A. Croxton, Dr. J. W. Perram, Dr. L. R. White. Experimental Test of a Mdtilayer Model of a Regular Solution/ Vapour Interface by J. E. Lane Ahorption of Surface Active Agents in a Non-Aqueous Solvent b y A. Couper, G. P. Gladden and B. T. Ingram Adsorption Kinetics in Micellar Systems by J. Lucassen GENERAL DIscussroN-Prof. A. Silberberg, Dr. R. Parsons, Dr. J. F. Padday, Dr. J. E. Lane, Prof. K. E. Gubbins, Dr. E. Dickinson, Dr. A. Couper, Prof. D. H. Everett, Mr.R. C . Watkins, Dr. R. Parsons, Dr. Th. F. Tadros, Dr. B. T. Ingram. Adsorption and Structuring Phenomena at the SolidlLiquid Interface by C. E. Brown, D. H. Everett, A. V. Powell and P. E. Thorne Adsorption of Polycyclic Aromatic Hydrocarbons onto Graphite b y A. J. Groszek Infrared Studies of Adsorption at the SolidlLiquid Interface by K. Marshall and C. H. Rochester. GENERAL DIscussIoN-Prof. J. Lyklema, Prof. D. H. Everett, Dr. B. Vincent, Prof. J. S . Rowlinson, Prof. G. H. Findenegg, Mr. H. Kern, Mr. R. C . Watkins, Dr. C . E. Brown, Prof. A. M. Posner, Dr. P. Richmond, Prof. E. A. Morrow, Dr. C. H. Rochester. 133 Dipolar Eflects in Adsorption from Mixtures by S. Levine, K. Robinson, A. L. Smith and A. C. Brett6 CONTENTS 142 Analysis of Models of Adsorption of Metal Ions at Oxidel Water Interfaces by R.0. James, P. J. Stiglich and T. W. Healy 157 The Eflect of pH on the Adsorption of Sodium Dodecyl Sulphonate at the Alumina/ Water Interface by D. W. Fuerstenau and T. Wakamatsu 169 GENERAL DIscussIoN-Dr. P. Richmond, Dr. S. Levine, Prof. J. Lyklema, Dr. R. Parsons, Prof. G. M. Bell, Dr. B. Vincent, Dr. J. F. Padday, Dr. R. 0. James, Dr. P. Stiglich, Dr. T. W. Healy, Prof. A. M. Posner, Dr. M. A. Malati, Dr. D. E. Yates, Dr. L. Ter-Minassian-Saraga, Dr. Th. F. Tadros. 181 Phase Transitions in Adsorbed Polymer Systems by D. Chan, D. J. Mitchell and L. White 189 Conigurational State of Adsorbed Chain Molecules: Behaviour of Terminally Anchored Chains by A. T. Clark, M. Lal, M. A. Turpin and K. A. Richardson 196 GENERAL DIscussIoN-Dr.S. Levine, Dr. D. Chan, Dr. D. J. Mitchell, Dr. L. White, Dr. F. Th. Hesselink, Mr. R. C. Watkins, Prof. G. M. Bell, Prof. A. Silberberg, Dr. M. Lal, Prof. S. G. Whittington, Dr. J. E. Lane, Mr. R. G. Linford. 203 Structure and Properties of Macromolecular Surface Phases by A. Silberberg 209 Adsorption and Desorption Rates of Polystyrene on Flat Surfaces by W. H. Grant, L. E. Smith and R. R. Stromberg 218 Dynamic and Static Properties of Proteins Adsorbed at the AirJWater Interface by J. Benjamins, J. A. de Feijter, M. T. A. Evans, D. E. Graham and M. C. Phillips 230 Characterization of Polymers in the Adsorbed State by Double Layer Measure- ments. The Silver Iodide+Poly(vinyl Alcohol) System by L. K. Koopal and J. Lyklema 242 Eflect of Polymer Adsorption on the Properties of the Electrical Double Layer by B. V. Kavanagh, A. M. Posner and J. P. Quirk 250 GENERAL DIscussIoN-Dr. M. Lal, Dr. F. Th. Hesselink, Prof. Viet, Dr. I. D. Robb, Dr. Th. F. Tadros, Prof. J. Lyklema, Dr. M. C. Phillips, Dr. J. E. Lane, Dr. A. Silberberg, Dr. J. A. de Feijter, Dr. D. E. Graham, Dr. R. Parsons, Dr. B. Vincent, Mr. L. K. Koopal, Dr. T. W. Healy, Prof. A. M. Posner, Dr. B. V. Kavanagh, Prof. J. P. Quirk, Dr. M. J. Garvey. 262 AUTHOR INDEX