| http://www.w3.org/ns/prov#value | - Further, other than metal oxides, microparticles of a sulfide such as cadmium sulfide, zinc sulfide, antimony sulfide, lead sulfide or nickel sulfide; microparticles of a sulfate such as strontium sulfate or barium sulfate; microparticles of a phosphate such as copper pyrophosphate; microparticles of a carbide such as tantalum carbide, zirconium carbide, tungsten carbide, vanadium carbide, titaniu
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