| http://www.w3.org/ns/prov#value | - In particular, a finely divided inorganic oxide which has a pH of from 1 to 6, a mean particle diameter of from 5 to 200 ??m, in particular from 20 to 70 ??m and a mean primary particle diameter of from 1 to 20 ??m, in particular from 1 to 5 ??m, may be used as the finely divided carrier for the titanium-containing solid component.
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