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. Author manuscript; available in PMC: 2019 Feb 1.
Published in final edited form as: J Phys Chem B. 2018 Jan 22;122(4):1484–1494. doi: 10.1021/acs.jpcb.7b10730

Figure 9.

Figure 9

Infrared spectra of MMP2–. FTIR spectra of monomethyl phosphate were measured in the presence of K+ (2.5 M) with increasing concentrations of Ca2+. The spectrum of monomethyl phosphate at pH 7.5 in the presence of 2.5 M K+ is typical for the completely deprotonated monomehtyl phosphate, i.e., MMP2–.