prov:value
| - The cloth, particularly when it is made of rayon precursor fibers, presents a specific surface area, a microporosity, and a density of surface functional groups (active sites) which make it suitable for fixing the metal catalyst effectively, not only when it is constituted by platinum, but also when it is constituted by ruthenium, rhenium, palladium, iridium, nickel, or other metals or combination
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