Research Article

Determination of Copper in Different Ethanolic Matrices Using a Chloropropyl Silica Gel Modified with a Nanostructured Cubic Octa(3-aminopropyl)octasilsesquioxane

Figure 3

NMR solid state for APC: (a) 29Si; (b) 13C.
509341.fig.003a
(a)
509341.fig.003b
(b)