Rate of Access to the Binding Sites in Organically Modified Silicates. 2. Ordered Mesoporous Silicas Grafted with Amine or Thiol Groups
Abstract
Mass-transfer rates of various reactants (H+, HgII, CuII) in mesoporous silicas grafted with aminopropyl or mercaptopropyl groups have been investigated; they are strongly dependent on the materials structures, their pore size, the density of organic groups, and the reactant size and charge.