Chevy Chase GHK Cu Peptide Therapy GHK Cu Peptide Therapy Zen Medicine Measurement of the pKa Values of Organic Molecules in AqueousOrganic Solvent Mixtures by 1H NMR without External Calibrants Analytical Chemistry Copper, Collagen, and Controversy: Inside the GHK Cu Buzz A little confused about my teacher's words regarding this: "The pKa table goes by general functional groups, not specific compounds. You should memorize functional group pKa's. " It seems like this table