Synonyms: | mesoporous, 23 Angstrom, powder;Molecular sieves, sulfated zirconium oxide based;Molecular sieves, Y, ammonium ion, 1/16in (1-2mm) diam. pellets;mesoporous, 22 Angstrom, powder;mesoporous,22Angstrom,powder;Molecular sieves, niobium oxide based;mesoporous, 25 Angstrom, powder;mesoporous,25Angstrom,powder |