R. E. Sempels

Preparation and properties of some hydroxy-aluminium beidellites

G. W. Brindley, R. E. Sempels · Clay Minerals · 1977 · 353 citations

Aluminium Nitride, Engineering, Soil Mineralogy +20

Hydrogen bond strengths and acidities of hydroxyl groups on silica–alumina surfaces and in molecules in solution

Paul G. Rouxhet, R. E. Sempels · Journal of the Chemical Society Faraday Transactions 1 Physical Chemistry in Condensed Phases · 1974 · 83 citations

Engineering, Chemistry, Silica–alumina Surfaces +18

Evolution of the acidic properties of silica—alumina gels as a function of chemical composition: infrared approach

Paul O. Scokart, Francois D. Declerck, R. E. Sempels et al. · Journal of the Chemical Society Faraday Transactions 1 Physical Chemistry in Condensed Phases · 1977 · 68 citations

Silicate Ceramics, Engineering, Al2o3 Content Increases +18

Infrared study of the adsorption of benzene and acetonitrile on silica—alumina gels: Acidity properties and surface heterogeneity

R. E. Sempels, Paul G. Rouxhet · Journal of Colloid and Interface Science · 1976 · 67 citations

Materials Science, Engineering, Surface Chemistry +8