Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Potentiometric titration curves of the side chain Glu carboxyl group in Ac-AAEAA-NH2 (A), and of the side chain His imidazole group in Ac-AAHAA-NH2 (B). The peptides were dissolved in 0.1 M KCl and titrated with HCl at 25°C. The lines are the best fit of the data to Equation 2.
