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Cementing materials in the Arahama sand dune, Japan, were studied mineralogicaUy and biogeochemically to gain a better understanding of the cause of hardening. The cementing material is a clay- organi...
Several clay-organic complexes were synthesized by placing quaternary ammonium cations on smectite by cation exchange. They were then examined for their ability to adsorb phenol and several of its chl...
Abstract: Complexes of n-tetradecylammonium-beidellite with n-alkanols (n-C14H29NH3+)0,44(n-CxH2x + 1OH) 1,56{Mg0,28Al1,81(OH)2Si3,56Al0,44O10}0,44− (x = 8‒22) have been prepared and chara...
The interactions of clay minerals with organic compounds which give rise to the formation of colored complexes, are discussed. The color reactions of clays can be ascribed to a charge transfer between...

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