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Kinetic features are studied of the chemisorption and reduction of molecular oxygen from water by metal–ion exchanger nanocomposites that differ in the nature of the dispersed metal and state of oxidation. In the Pd < Ag < Cu series, the increasing chemical activity of metal nanoparticles raises the degree of oxygen sorption due to its chemisorption and subsequent reduction, while the role of...
In situ reduction kinetics of CoCl 2 -SiO 2 gel to Co-SiO 2 nanocomposite in the 800-950 o C range has been studied. The presence of nanosized metallic Co in the host matrix has been established from the X-ray diffraction patterns of the reduced gels. The metallic particle size has been found to be 17 and 23nm when reduced at 850 o and 950 o C, respectively...
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