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Surface acidity by positron annihilation lineshapes

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Abstract

An alternative new method to measure the specific acidity of catalytic materials with large internal surface areas by using positron annihilation spectroscopy was introduced. Results of lineshape parameter evaluations from two-dimensional angular correlation and Doppler broadened annihilation radiation measurements for a zeolite ZSM-5 were presented.

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Authors and Affiliations

  1. Department of Physics, University of Louisville, 40292, Louisville, KY, USA

    W. F. Huang

  2. Research and Development, United Catalysts, Inc., 40210, Louisville, KY, USA

    D. C. Huang

  3. Department of Physics, National Taiwan University, Taipei, Taiwan ROC

    P. K. Tseng

Authors
  1. W. F. Huang
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  2. D. C. Huang
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  3. P. K. Tseng
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Huang, W.F., Huang, D.C. & Tseng, P.K. Surface acidity by positron annihilation lineshapes. Catal Lett 26, 269–275 (1994). https://doi.org/10.1007/BF00810599

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  • DOI: https://doi.org/10.1007/BF00810599

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