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As a final conclusion, it is worth noticing that most of the pro-
cesses described in the case of the Pd/SA sample during the doping
process and the subsequent treatments can be present on different
catalytic systems characterized by other metal particles and doped
by other alkali-metals. This work definitely demonstrates that the
application of a limited number of characterization techniques can
be misleading and only the application of several techniques gives
a comprehensive picture of all the phenomena characterizing a real
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Acknowledgment
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We are indebted to Massimo Graziani (Chimet S.p.A.) for the CO
chemisorption measurements.
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