| http://www.w3.org/ns/prov#value | - Suitable inorganic materials that may be used in preparing the solid-phase include, but are not limited to, siliceous materials, silica, bentonite, wollastonite, cordierite, and nonsiliceous metal oxides (including magnetic substances, such as iron oxides, ferrite, nickel oxides, cobalt oxides, and the like).
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