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Volume 37, Issue 1
  • ISSN: 0032-1400
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Abstract

The reduction of nitric oxide by ammonia on platinum catalysts has been investigated in the temperature range 300 to 400°C at reactant partial pressures between 0.05 and 5 mbar. During a combined potentiometric and kinetic study, a discontinuous change in both the reaction rates and the surface state has been observed at a partial pressure ratio for nitric oxide:ammonia of 1.5. If ammonia is in excess in the gas phase then nitric oxide is directly reduced to nitrogen. However, an excess of nitric oxide leads to a strong formation of nitrous oxide, and the nitrogen formation thus proceeds nitrous oxide.

© Johnson Matthey
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1993-01-01
2024-10-04
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/content/journals/10.1595/003214093X371813
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The Platinum Catalysed Reduction of Nitric Oxide by Ammonia
Platinum Metals Review 37, 8 (1993); https://doi.org/10.1595/003214093X371813
/content/journals/10.1595/003214093X371813
/content/journals/10.1595/003214093X371813
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  • Article Type: Research Article

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