| http://www.w3.org/ns/prov#value | - Suitable hydrogenation components include the metals of Groups VIA and VIIIA of the Periodic Table (IUPAC Table) such as tungsten, vanadium, zinc, molybdenum, rhenium, nickel, cobalt, chromium, manganese, or a noble metal such as platinum or palladium, in an amount between 0.1 and about 25 wt %, normally 0.1 to 5 wt % especially for noble metals, and preferably 0.3 to 3 wt %.
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