Table 1: Study of thermal transitions for the Rh and Pd gel and xerogel, respectively.

Rhodium thermal transitionGel
(°C)
Xerogel
(°C)
Gel
weight loss (%)
Xerogel
weight loss (%)

Removal of the polymer (acrylamide)
241230139
Elimination of (NH4)2SO4 compound3283787682
Rh2O3 formation6205979999

Palladium thermal transitionGel
(°C)
Xerogel
(°C)
Gel
weight loss (%)
Xerogel
weight loss (%)

Removal of the polymer (acrylamide)
1481489696
Elimination of (NH4)2SO4 compound
27330056.292
Pd (NO3)2(H2O)2 formation
40045
PdO decomposition5055570.310.61