Empirical Conversion of pKa Values between Different Solvents and Interpretation of the Parameters: Application to Water, Acetonitrile, Dimethyl Sulfoxide, and Methanol ACS Omega GHK Cu Peptide in Austin Saving Face Advanced GHK Cu Face Cream 2400mg 4% Firmer Skin Neurogan Neurogan Health Table 2 from Measurement of dissociation constants (pKa values) of organic compounds by multiplexed capillary electrophoresis using aqueous and cosolvent buffers. Semantic Scholar