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. 2015 Sep 29;5(4):1588–1609. doi: 10.3390/nano5041588

Figure 1.

Figure 1

(a) UV spectra of Li28 at pH = 7.5 (black line), after 24 h at pH = 2.5 (red points) and 2 h after addition of NaOH for adjustment at pH = 7.5 (blue line); (b) Evolution of the Li28 absorbance at pH = 2.5 with time. [Li28] = 3 µM.