Abstract
Polyacrylic acid is one of the simplest poly- carboxylic acids possible... The carboxyl protons are easily removed by titration with a base. This affords a readily available system for studies of polyelectrolyte properties. | Numerous examples exist in the literature of studies of the binding of sodium ion to polyacrylic acid. The first unambiguous demonstration of this phenomenon may be found in the work of Wall, et. al. (1) In attempting to determine the transport number of polyacrylate ions, Wall found a significant fraction of the sodium ions present to be associated with the polymer. This fraction increased with increasing degree of neutralization.