Rujukan Proses Ostwald

  1. ↑ GB 190200698, Ostwald, Wilhelm, "Improvements in the Manufacture of Nitric Acid and Nitrogen Oxides", published 9 Januari 1902, issued 20 Mac 1902 
  2. ↑ GB 190208300, Ostwald, Wilhelm, "Improvements in and relating to the Manufacture of Nitric Acid and Oxides of Nitrogen", published 18 Disember 1902, issued 26 Februari 1903 
  3. ↑ Foist, Laura. "The Ostwald Process & Catalytic Oxidation of Ammonia". Study.com. Dicapai pada 5 Januari 2019.
  4. 1 2 3 Alan V. Jones; M. Clemmet; A. Higton; E. Golding (1999). Alan V. Jones (penyunting). Access to chemistry. Royal Society of Chemistry. m/s. 250. ISBN 0-85404-564-3.
  5. ↑ Harry Boyer Weiser (2007). Inorganic Colloid Chemistry -: The Colloidal Elements. Read Books. m/s. 254. ISBN 978-1-4067-1303-9.

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