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'Surface Oxides of Carbon' in keywords
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1979 (1)
1Author    Michaela Zuckmantel, R. Kurth, H. P. BoehmRequires cookie*
 Title    Kohlenstoffe als Katalysatoren für die Oxydation von schwef liger Säure Carbons as Catalysts for the Oxidation of Sulfurous Acid  
 Abstract    Conductometric measurements of the catalytic oxydation of dilute aqueous sulfurous acid were used in the comparison of various carbon catalysts, e.g. active charcoals and carbon blacks. The oxidation rate is proportional to (Po2) 1/2 and to the amount of adsorbed HSO3-ions. Basic surface oxides are responsible for the HSO3 -adsorption. The catalytic activity of a carbon is influenced also by other factors than the concentration of basic surface oxides. It is changed by heat treatment of the carbon as well as by chemical treatment of its surface. Treatment with ammonia at 600 °C increases its activity dramatically, absolutely inactive carbon blacks were rendered highly active. 
  Reference    Z. Naturforsch. 34b, 188—196 (1979); eingegangen am 11. Juli 1978 
  Published    1979 
  Keywords    Carbon Catalysts, Catalytic Oxidation, Sulfur Dioxide, Sulfurous Acid, Surface Oxides of Carbon 
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 TEI-XML for    default:Reihe_B/34/ZNB-1979-34b-0188.pdf 
 Identifier    ZNB-1979-34b-0188 
 Volume    34