| http://www.w3.org/ns/prov#value | - n is an integer for which the anion X satisfies the valence of the cation M; and, said solid carrier material (ii) comprises an inert, finely-divided water-insoluble solid material selected from silicaceous diatomaceous earth, high water absorption capacity calcium silicate granular material, charcoal, clays, vermiculite, corn cobs, wood and the like.
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