Papers of the 4th of a series of meetings; papers of the 3d are entered under the title: Molecular sieves. Includes bibliographical references and index.

Investigations of equilibria and kinetics of adsorption of gases on zeolites / M.M. Dubinin -- Molecular orbital calculations for atoms in the tetrahedral frameworks of zeolites / G.V. Gibbs, E.P. Meagher, J.V. Smith, and J.J. Pluth -- Identification and characterization of zeolites synthesized in the Kb2sO-Alb2sOb3s-SiOb2s-Hb2sO system / John D. Sherman -- Properties of synthesized, ion-exchanged, and stabilized zeolite rho / W.H. Flank -- p23sNa-resonance in zeolites of the faujasite- and A-type and its interpretation by computer simulation of the measured spectra / H. Lechert and H.W. Henneke -- Measurement of chemical shifts in zeolites by X-ray emission / R.L. Patton, E.M. Flanigen, L.G. Dowell, and D.E. Passoja -- Zeolite surface composition by X.P.S. / J-Fr. Tempere, D. Delafosse, and J.P. Contour -- X.P.S. study of HY zeolites : characterization of superficial composition and acidity / C. Defosse, B. Delmon, and P. Canesson -- Acidity of mordenite / G.H. Kèuhl -- Electronic structure and stability of transition metal ions in zeolites / Kamil Klier, Paul J. Hutta, and Richard Kellerman -- Redox chemistry and complexation of divalent chromium ion-exchanged zeolite A / Richard Kellerman and Kamil Klier -- Optical spectroscopy of hydrated and ammoniated Cu(II)-exchanged zeolites, types X and Y / Willy De Wilde, Robert A. Schoonheydt, and Jan B. Uytterhoeven -- Adsorption and decomposition of metal carbonyls loaded in Y-type zeolite / P. Gallezot, G. Coudurier, M. Primet, and B. Imelik -- Esr study of bivalent rhodium complexes formed in zeolites / Claude Naccache, Younès Ben Taarit, and Michel Boudart -- Szilard-Chalmers cation recoil studies in zeolite L / Lovat V.C. Rees and Paul A. Newell -- Ion exchange in zeolites / Adrien Cremers -- Mechanism of zeolite A synthesis / C.L. Angell and W.H. Flank -- Mechanisms of synthesizing pseudomorphic zeolite particulates using high concentration gradients / Anil K. Patel and L.B. Sand -- Crystallization kinetics and properties of Na, K-phillipsites / David T. Hayhurst and L.B. Sand -- Synthesis of faujasite by recrystallization of high-silica zeolites / Harry E. Robson, Kenneth L. Riley, and Dale D. Maness -- Kinetic studies of the growth of zeolites of the faujasite and N-A type / Hartmut Kacirek and Hans Lechert -- Silanation of zeolites / R.M. Barrer, R.G. Jenkins, and G. Peeters -- Zeolite chemistry. 2, The role of aluminum in the hydrothermal treatment of ammonium-exchanged zeolite Y, stabilization / D.W. Breck and G.W. Skeels -- Formation of nickel(I) ions by hydrogen reduction of nickel(II)-loaded Y zeolite / Edouard Garbowski, Michel Primet, and Michel-Vital Mathieu -- Formation of iron clusters in zeolites with different supercage sizes / F. Schmidt, W. Gunsser, and J. Adolph -- Thermodynamics of adsorption on zeolites / W. Schirmer, K. Fiedler, and H. Stach -- Diffusion in molecular sieves : a review of recent developments / Douglas M. Ruthven -- NMR studies of water inside the sodalite units of faujasites with different cations / W.D. Basler -- Characterization of the mordenite sorption sites by carbon-13 NMR / M.D. Sefcik, Jacob Schaefer, and E.O. Stejskal -- Arrangement and mobility of Li-ions in A-zeolite and the influence of mono- and divalent cations and adsorbed molecules on it / R. Schèullner and H.-J. Herden -- Differential heat of adsorption and isotherms of carbon dioxide on synthetic mordenite / Pierre Cartraud, André Cointot, and Bernard Chauveau -- Multicomponent sorption equilibria of hydrocarbon gases in 5a zeolite / K.A. Holborow and K.F. Loughlin -- CO and COb2s as sensitive probe molecules for investigating migration effects of cations in zeolites / J.A. Michelena, G. Peeters, E.F. Vansant, and P. De Bièvre -- Kinetics of sorption, desorption, and diffusion of n-butane in zeolite NaX / H.-J. Doelle and L. Riekert -- Kinetics of sorption in biporous molecular sieves / L.K. Lee, H. Yucel, and D.M. Ruthven -- Effects of exchangeable cations on diffusion in faujasite pellets / Ting Yueh Lee and Yi Hua Ma -- Inter- and intraparticle diffusion of ions in zeolites / G.T. Kokotailo, S.L. Lawton, and S. Sawruk -- Acidic and catalytic properties of zeolites / Denise Barthomeuf -- Transition metal complexes in zeolites / Jack H. Lunsford -- Reduction and reoxidation of silver-mordenites / Hermann K. Beyer and Peter A. Jacobs -- Isomerization of n-hexane and n-pentane over various bifunctional zeolitic catalysts. 1, Influence of the structure parameters of the catalysts on the activity and selectivity / G. Braun, F. Fetting, and H. Schoeneberger -- Deactivation of Pd-H-mordenite catalyst during n-hexane isomerization / D.J. Chick, J.R. Katzer, and B.C. Gates -- Properties of the metallic nickel in reduced NaNiY zeolite catalysts / K.H. Bager, F. Vogt, and H. Bremer -- Platinum catalysts supported on zeolite : hydrogenation of cyclopropane and hydrogenolysis of ethane / C. Naccache, N. Kaufherr, M. Dufaux, J. Bandiera, and B. Imelik -- Modification in the nature of active sites of zeolites A by Cop2s exchange / Emil Detrekèoy and Dénes Kalló -- NO reduction and CO oxidation over zeolites containing transition elements / Kh. M. Minachev, G.V. Antoshin, Yu. A. Yusifov, and E.S. Shpiro -- Catalytic active centers in cerium-exchanged faujasite zeolites / Hanna Hoser, Andrzej Dabrowski, and Stanislaw Krzyzanowski -- Infrared spectroscopic and catalytic studies on mordenite-like zeolites / Hellmut G. Karge -- Ring transformation of tetrahydropyran into piperidine over dealuminated L-zeolites / Yoshio Ono, Anand Halgeri, Masamichi Kaneko, and Kou Hatada -- n-butenes isomerization over protonated germanic near faujasite and X and Y molecular sieves / G. Poncelet, M.L. Dubru, and P.A. Jacobs -- Diffusion effects on the catalytic behavior of Ca, Na-Y-Zeolite / J. Velez, E.A. Cornejo, and E.A. Lombardo -- Polymerization of ethylene over Cr-Y zeolite / Tatsuaki Yashima, Jun-Ichi Nagata, Yuji Shimazaki, and Nobuyoshi Hara -- Molecular sieve adsorbent applications state of the art / R.A. Anderson -- Zeolite cracking catalysts : an overview / John S. Magee -- Systems approach to molecular sieve applications in natural gas processing/liquid hydrocarbons recovery / E.S. Holmes -- Pneumatic system air drying by pressure swing adsorption / J.P. Ausikaitis -- Sodium-aluminium silicates in the washing process. 3, Ion exchange and detergency / M.J. Schwuger and H.G. Smolka -- Kinetics of crystallization of zeolite A in a continuous stirred-tank reactor / Ali ðCulfaz and Pinar Orbey.