| http://www.w3.org/ns/prov#value | - Exemplary of such particulates are silica, alumina, zirconium oxide, diatomaceous earth, perlite, clays such as vermiculite, carbon such as activated carbon, modified polymer particulates such as other ion-exchange resins, crystalline cellulose, molecular sieves, and the like, the surfaces of which may be modified in a conventional manner.
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