نتایج جستجو برای: catalyst supports

تعداد نتایج: 152366  

Journal: :Angewandte Chemie 2014
Fan Shi Aaron M Coffey Kevin W Waddell Eduard Y Chekmenev Boyd M Goodson

A novel variant of an iridium-based organometallic catalyst was synthesized and used to enhance the NMR signals of pyridine in a heterogeneous phase by immobilization on polymer microbead solid supports. Upon administration of parahydrogen (pH2) gas to a methanol mixture containing the HET-SABRE catalyst particles and the pyridine, up to fivefold enhancements were observed in the (1)H NMR spect...

Journal: :Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 1992

Journal: :Journal of composites science 2021

Porous silica particles have shown applications in various technological fields including their use as catalyst supports heterogeneous catalysis. The mesoporous ordered porosity, high surface area, and good chemical stability. These interesting structural or textural properties make porous an attractive material for catalysis reactions. colloidal nature of the is highly useful catalytic it guar...

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