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1997 (1)
1990 (1)
1Author    Irene Scheler, DietrichW. WabnerRequires cookie*
 Title    The Influence of High Concentrations of Fluoride on the Electrosynthesis of Peroxodisulfates at /?-Pb02 Anodes  
 Abstract    During electrolysis with /?-Pb02 anodes in acidic sulfate electrolytes high current efficiencies o f peroxodisulfate are obtained (60—70%) when high amounts o f fluoride (1 M o lT '1 to 3 M ol • I"1) are added to the electrolyte. This reaction is examined by means o f current efficien­ cy o f peroxodisulfate, rate o f ozone form ation, polarization curves, and impedance measure­ ments. The reason for the high current efficiencies is the formation o f fluorosulfonic acid in the electrolyte and its reaction with the OH-radical (from the discharge o f H 20) to form H S 0 4-radicals. 
  Reference    Z. Naturforsch. 45b, 892 (1990); received December 14 1989 
  Published    1990 
  Keywords    Peroxodisulfate, Lead-dioxide A nodes, Fluoride, Electrolysis, High Current Efficiencies 
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 TEI-XML for    default:Reihe_B/45/ZNB-1990-45b-0892.pdf 
 Identifier    ZNB-1990-45b-0892 
 Volume    45 
2Author    Elżbieta Bojarskaa, Jarosław Kamińskib, Ryszard Stolarski3, Zygmunt KazimierczukaRequires cookie*
 Title    Novel Electrochemically Derived Dimers of Methylated Uracils  
 Abstract    Electrolysis of acetic acid/sodium acetate solutions of N-methylated uracils results in the formation of 5-substituted methyl and acethoxy derivatives. Electrolysis of trifluoroacetic acid/potassium trifluoroacetate solutions of N-l-and N-3-methylated uracils provided, be­ sides 5-trifluoromethyl derivatives, novel N-C uracil dimers. In the case of 1,3-dimethyluracil in trifluoroacetic acid. N-l demethylathion was also observed. 
  Reference    Z. Naturforsch. 52b, 742—748 (1997); received March 6 1997 
  Published    1997 
  Keywords    Electrolysis, Radical Substitution, Uracil Dimers of N-C, Electrochemical Oxidation Electrochemical Trifluoromethylation 
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 TEI-XML for    default:Reihe_B/52/ZNB-1997-52b-0742.pdf 
 Identifier    ZNB-1997-52b-0742 
 Volume    52