In situ structural changes during toluene complete oxidation on supported EuCoO3 monitored with 151Eu Mössbauer spectroscopy

2006 ◽  
Vol 117 (1-3) ◽  
pp. 329-336 ◽  
Author(s):  
M ALIFANTI ◽  
M FLOREA ◽  
G FILOTTI ◽  
V KUNCSER ◽  
V CORTESCORBERAN ◽  
...  
2006 ◽  
Vol 167 (1-3) ◽  
pp. 733-738 ◽  
Author(s):  
Abdelmaula Aboulaich ◽  
Florent Robert ◽  
Pierre Emmanuel Lippens ◽  
Laurent Aldon ◽  
Josette Olivier-Fourcade ◽  
...  

2002 ◽  
pp. 143-146
Author(s):  
Kentaro Indoh ◽  
Hideya Onodera ◽  
Chihiro Sekine ◽  
Ichimin Shirotani ◽  
Yasuo Yamaguchi

Clay Minerals ◽  
1986 ◽  
Vol 21 (2) ◽  
pp. 149-157 ◽  
Author(s):  
S. Bouda ◽  
K. P. Isaac

AbstractBiotites from three peaty gleyed podzol soil profiles on ranite bedrock were examined to investigate the oxidation of the octahedral Fe during weathering. Oxidation of these biotites as determined by Mössbauer spectroscopy shows a good correlation with the in situ measured soil Eh values of the sampled horizons. In every soil profile the highest Eh measured is in the A horizon and the lowest in the C horizon. Similarly, biotites from the A horizons are the most oxidized compared with those from the lower horizons. In most of the samples the oxidation is accompanied by loss of K+ from the lattice, as demonstrated by a moderate degree of vermiculitization.


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