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Lanthanum-containing materials were obtained by coprecipitation of La 3+ and Mg 2+ , Ca 2+ , or Zn 2+ in the presence of sodium carbonate. All materials were tested in the disproportionation of hydrogen peroxide into singlet molecular oxygen ( 1 O 2 ). Whereas La supported on Mg or Ca hydroxycarbonate showed very low catalytic activity, La-doped zinc...
Lanthanum(III) was immobilized on various zeolite supports by simple cation exchange. The resulting materials were tested in the disproportionation of H 2 O 2 into singlet molecular oxygen ( 1 O 2 ). The rate of H 2 O 2 disproportionation and the reaction of the formed 1 O 2 with citronellol as a typical olefinic substrate were strongly...
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