Page 167 - Environmental Nanotechnology Applications and Impacts of Nanomaterials

152 Principles and Methods

Adsorption
As it has been previously discussed, the chemical reactivity of nanopar-
ticle surface sites is an important issue for many industrial applications
as well as for environmental concerns. Chemical reactivity is strongly
influenced by the large ratio of surface atoms to nonsurface atoms.
Adsorption properties of nanoparticles from an environmental per-
spective are discussed in Chapter 10. The adsorption mechanisms of mol-
ecules or atoms on the nanoparticle surface can be described using many
of the techniques previously covered and using other techniques such
as infrared spectroscopy and NMR.

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