| http://www.w3.org/ns/prov#value | - Further preferably used inorganic carriers include those inorganic oxides which have a mean particle diameter of from 5 to 200 ??m, in particular from 20 to 90 ??m, and a mean primary particle diameter of from 1 to 20 ??m, in particular from 1 to 5 ??m.
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