328 research outputs found

    Surface properties of vitreous fibers

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    Effect of Micropore Filling on Chemisorption by Large Surface Area Materials. Adsorption of O2 and N2O by CuZnO Catalysts

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    In irreversible chemisorption by large surface area catalysts, the partially covered surface takes up additional amounts of adsorbate only if a given threshold pressure is attained. A model is suggested in which micropore filling acts as a precursor state for other gas-solid interactions. The model is applied to the adsorption of oxygen by CuZnO catalysts with various copper contents, and containing particles and interparticle voids of various sizes
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