Research Article
A Novel Synthesis of Gold Nanoparticles Supported on Hybrid Polymer/Metal Oxide as Catalysts for p-Chloronitrobenzene Hydrogenation
Table 4
ICP-AES, TEM mean Au sizes, XPS data after reaction, and TOF in the last cycle of Au/P[BVTACl]-M catalysts in the p-CNB hydrogenation. Reactions conditions: solvent, 25 mL absolute ethanol; temperature, 298 K; stirring rate, 800 rpm; substrate concentration, 0.02 mol L−1; H2 pressure, 20 bar.
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turnover frequency was defined at 20% of conversion for the last cycle. The values for surface metallic were determinate employing the ICP metal content and metallic dispersion after the last run. of conversion level was detected. |