| http://www.w3.org/ns/prov#value | - Chemical compounds that can be used include, but are not limited to, inorganic salts of sodium, potassium, calcium, zinc, copper, aluminum, and barium such as carbonate, silicate, chromate, aluminate, acetate, palmitate, oleate, stearate, sulfate, phosphate, or borate in all forms; clay of all kinds; cement of all types; calcium silicate hydrate of all kinds; and kaolin of all kinds, or mixtures t
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