| http://www.w3.org/ns/prov#value | - If the catalytically active component is a noble metal or a noble metal compound or if several catalytically active components are present in the support catalyst of which at least one is a noble metal or a noble metal compound, the content of these components can be, for example, in each case 0.5 to 100 g, preferably 1 to 50 g, particularly preferably 2 to 20 g, calculated as noble metal in eleme
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