| http://www.w3.org/ns/prov#value | - In addition, the zeolites may be formed with materials such as silica, alumina, silica-alumina, silica-magnesia, silica-zirconia, silica-theria, silica-berylia and silica-titania, as well as ternary compositions, such as silica-alumina-theria, silica-alumina-zirconia and clays present as binders.
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