Volume 45 Number 6 December 1997

Ca-Rectorite from Sano Mine, Nagano Prefecture, Japan

Toshihiko Matsuda, Hideomi Kodama and Ann Fook Yang 773

Structure Refinement of Synthetic Deuterated Kaolinite by Rietveld Analysis Using Time-of-Flight Neutron Powder Diffraction Data

Etsuo Akiba, Hiroshi Hayakawa, Shinegobu Hayashi, Ritsuro Miyawaki, Shinji Tomura, Yasuo Shibasaki, Fujio Izumi, Hajime Asano and Takashi Kamiyama 781

Migrations of Cations in Copper(II)-Exchanged Montmorillonite and Laponite upon Heating

C. Mosser, L. J. Michot, F. Villieras and M. Romeo 789

Cation Ordering in Synthetic Layered Double Hydroxides

M. Vucelic, W. Jones and G. D. Moggridge 803

In Situ Infrared Speciation of Adsorbed Carbonate on Aluminum and Iron Oxide

Chunming Su and Donald L. Suarez 814

Calorimetric Measurement of the Enthalpy of Hydration of Clinoptilolite

J. William Carey and David L. Bish 826

Adsorption of Benzyltrimethylammonium and Benzyltriethylammonium on Montmorillonite: Experimental Studies and Model Calculations

Tamara Polubesova, Giora Rytwo, Schlomo Nir, Carina Serban and Leon Margulies 834

Formation of Spinel from a Hydrotalcite-Like Compound at Low Temperature: Reaction between Edges of Crystallites

Toshiyuki Hibino and Atsumu Tsunashima 842

Properties and Catalytic Activity of Acid-Modified Montmorillonite and Vermiculite

J. Ravichandran and B. Sivasankar 854

Crystal Structure of Tetramethylammonium-Exchanged Vermiculite

A. Vahedi-Faridi and Stephen Guggenheim 859

Effects of Exchanged Cation and Layer Charge on the Sorption of Water and EGME Vapors on Montmorillonite Clays

Cary T. Chiou and David W. Rutherford 867

The Layered Sodium Silicate Magadite: An Analog to Smectite for Benzene Sorption from Water

Christopher S. Kim, Douglas M. Yates and Peter J. Heaney 881

Index to Volume 45 886

Corrections 903