Solution Studies on Co(II), Ni(II), Cu(II), and Zn(II) Complexes of Hexamethylenetetramine in Aqueous and Non-Aqueous Solvents
Figure 6
Variation of the electronic spectra of the Cu2+-HMTA system according to the ratio : (a) R = 0; (b) R = 0.5; (c) R = 1; (d) R = 1.5; (e) R = 2; (f) R = 2.5; (g) R = 3; (h) R = 3.5; (i) R = 4.
