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  • Zirconia catalyst  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    The effect of sulfate on the crystal structure of zirconia (1991)
    Springer
    Catalysis letters 9 (1991), S. 1-7 
    Details
    ISSN: 1572-879X
    Keywords: Zirconia catalyst ; sulfated zirconia ; crystal chemistry ; calcination
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Zirconia can be prepared to produce either tetragonal phase or predominantly monoclinic phase upon calcination at 500 °C. The precursors for each phase of zirconias was treated with 1N H2SO4 to produce a sulfated material. The results reveal that sulfation causes the tetragonal phase to be formed for both types of zirconia contrary to the data before sulfation, and sulfation increases the crystallization exotherm by 150 °C.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00769074
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