| http://www.w3.org/ns/prov#value | - The hydrated alumina employed in accordance with the instant invention is preferably small in particle size, i.e. at least about 85% of the particles are smaller than 20 microns, such as that classified as gibbsite (alpha alumina trihydrate) and normally represented chemically as Al2 O3.3H2 O or Al(OH)3.
|
