ISSN 0956-5000 JCFTEV(4) 517-682 (1 994) JOURNAL OF THE CHEMICAL SOCIETY Faraday Transactions Physical Chemistry & Chemical Physics CONTENTS 517 Theoretical potential-energy functions and the rovibronic spectrum of the SiHi ion C. Bauer, D. M. Hint, D. I. Hall, P. J. Sarre and P. Rosmus 523 Production of CH(X211) from the multiphoton dissociation of CH,CO at wavelengths of 279.3 and 308 nm S. M. Ball, G. Hancock and M. R. Heal 533 Laser flash photolysis studies on hydrogen-atom transfer from the triplet hydroxynaphthylammonium ion to benzo- phenone via a triplet exciplex. Which group is more reactive for hydrogen atom transfer, -OH or -NHl? M. Yamaji, K-i. Tamura and H. Shizuka 541 Kinetics of thermal decomposition of the diazines: Shock-tube pyrolysis of pyrimidine A.Doughty and J. C. Mackie 549 Reactions of N(2 2D)and N(2 2P) with 0, Y.Shihira, T. Suzuki, S-i. Unayama, H. Umemoto and S. Tsunashima 553 Application of simple expressions for the high-pressure volumetric behaviour of liquid mesitylene V. Garcia Baonza, M. Caceres Alonso and J. NGez Delgado 559 Speciation, structural characteristics and proton dynamics in the systems NH,N03 1.5H20 and NH,N03 . 1.5H20-(NH03, NH,F, NH,)-H,O at 50 "C L. A. Bengtsson, F. Frostemark and B. Holmberg 571 Effect of preferential solvation on reactivity of a free radical in binary solvent mixtures 0. Ito and H. Watanabe 575 Limiting partial molar volumes of electrolytes in dimethylformamide-water mixtures at 298.15 K E. Garcia-Pafieda, C. Yanes, J.J. Calvente and A. Maestre 579 Ultrasonic velocities and isentropic compressibilities of some tetraalkylammonium and copper@ salts in acetonitrile and benzonitrile J. Singh, T. Kaur, V. Ali and D. S. Gill 583 Transport and compressibility studies of some copper@) perchlorates in binary mixtures of benzonitrile and acetonitrile D. S. Gill, R. Singh, V. Ali, J. Singh and S. K. Rehani 587 Kinetic model for serum albumin adsorption: Experimental verification R. Kurrat, J. J. Ramsden and J. E.Prenosil 591 Primary yields of water radiolysis in concentrated nitric acid solutions R. Nagaishi, P-Y. Jiang, Y. Katsumura and K. Ishigure 597 Pulse radiolysis study of the reactions of SO;-with some substituted benzenes in aqueous solution G. Merga, C. T. Aravindakumar, B.S. M. Rao, H. Mohan and J. P. Mittal 605 Dual-cylinder microelectrodes. Part 2.-Steady-state generator and collector electrode currents B. J. Seddon, C. F. Wang, P. Li, W. Peng and X.Zhang 609 Voltammetric and subtractively normalized interfacial FTIR study of the adsorption and oxidation of L(+)-ascorbic acid on Pt electrodes in acid medium: Effect of Bi adatoms M. A. Climent, A. Rodes, M. J. Valls, J. M. Perez, J. M. Feliu and A. Aldaz 617 Electrochemical study of the heterogeneously catalysed reaction between N,N-dimethyl-p-phenylenediamine and Co'WH3),Cl2+ at monometallic and bimetallic surfaces of silver and gold Y-H. Chen, U. Nickel and M. Spiro 625 Stability of thin polar films on non-wettable substrates A. Sharma and A. T.Jameel 629 Influence of the cetyltrimethylammonium chloride micellar pseudophase on the protolytic equilibria of oxyxanthene dyes at high bulk phase ionic strength N.0. Mchedlov-Petrossyan and V. N. Kleshchevnikova 641 Computer modelling of phosphate biominerals. Transfer of parameters for interatomic potentials for different poly- morphs of divalent metal diphosphates M. G. Taylor, K. Simkiss and M. Leslie 649 Adsorption of binary mixtures of heptane and alkanols by activated carbon A. M. Gonplves da Silva, V. A. M. Soares and J. C. G. Calado 653 IR studies of cerium dioxide: Influence of impurities and defects F. Bozon-Verduraz and A. Bensalem 659 Catalytic reactions of o-xylene and rn-xylene with deuterium on metal films R.J. Harper and C. Kemball 667 Al-Pillared saponites. Part 1.-IR studies S. Chevalier, R. Franck, H. Suquet, J-F. Lambert and D. Barthomeuf 675 Al-Pillared saponites. Part 2.-NMR studies J-F. Lambert, S. Chevalier, R. Franck, H. Suquet and D. Barthomeuf Note: Where an asterisk appears against the name of one or more of the authors, it is included with the authors’ approval to indicate that correspondence may be addressed to this person. COPIES OF CITED ARTICLES The Royal Society of Chemistry Library can usually supply copies of cited articles. For further details contact: The Library, Royal Society of Chemistry, Burlington House, Piccadilly, London W1V OBN, UK Tel: 44 (0)71-437 8656 Fax: +44 (0)71-287 9798 Telecom Gold 84: BUR210 Electronic Mailbox (Internet) LIBRARY@RSC.ORG. If the material is not available from the Society’s Library, the staff will be pleased to advise on its availability from other sources. Please note that copies are not available from the RSC at Thomas Graham House, Cambridge.