Potentiometric Titration Behavior of Polyamino Acids Prepared by Thermal Polycondensation
Potentiometric titrations of thermally prepared poly-amino acids were carried out at different ionic strengths. The intrinsic dissociation constants of carboxyl groups or amino groups in the polymers were evaluated by the curves of the apparent dissociation constant against the degree of dissociation and the Henderson-Hasselbalch plots. The ratio of α- and ω-linkages of amino acid residues was also evaluated by the analysis of the titration data.
KeywordsTitration Lysine Alanine Copolymerization Asparagine
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