title: THE COMBINATION OF SALTS AND PROTEINS : II. A METHOD FOR THE DETERMINATION OF THE CONCENTRATION OF COMBINED IONS FROM MEMBRANE POTENTIAL MEASUREMENTS.
abstract: A method is described for measuring membrane potentials of gelatin-salt solutions, and it is pointed out that such measurements, together with the analysis of the solutions, allow the calculation of the concentration of ions combined with the protein. The values for the combined ions obtained in this way for ZnCl(2), KCl, LiCl, and HCl agree quite well with those obtained by direct concentration cell measurements.
authors.affiliation: Laboratories of The Rockefeller Institute for Medical Research.
authors.forename: J H
authors.initials: JH
authors.lastname: Northrop
authors.forename: M
authors.initials: M
authors.lastname: Kunitz