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. 2020 Aug 29;319:114164. doi: 10.1016/j.molliq.2020.114164

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Fig. 1 — Medium effect on the dependence of the first (a) and second (b) protonation constants of NAC in different background electrolytes at T = 298.15 K: NaCl_(aq) (□), (CH₃)₄NCl_(aq) (○), (C₂H₅)₄NI_(aq) (Δ). Solid symbols refer to literature data.