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. Author manuscript; available in PMC: 2011 Jul 21.
Published in final edited form as: J Am Chem Soc. 2010 Jul 21;132(28):9774–9781. doi: 10.1021/ja102524v

Figure 4.

Figure 4

Spectral variations of 2e (5×10−5 M) in the pH range 7.1−11.5. Insets A and B show the spectral changes at 364 and 315 nm, respectively, selected for calculating pKa1 and pK'a1. Solid lines in the insets are calculated using the best-fit parameters of eq 2. See text for details.

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