Abstract
Publisher Summary This chapter discusses the experimental aspects of high-precision capillary viscometry, particularly as applied to the study of aqueous solutions of globular proteins, and, as a prelude to the experimental discussion, it presents pertinent concepts, definitions, and equations. Two treatments, both of the theoretical aspects and some of the general experimental aspects of macromolecular viscometry, are presented. Viscometers have been designed to eliminate the need for surface tension corrections. The use of the reduced and intrinsic viscosity is associated with the need to have a convenient expression for the normalized “solute contribution” to the viscosity of solutions. At any given concentration of a macromolecular solute, the reduced viscosity will be a measure of the extent of perturbations of the solvent streamlines caused by the presence of the macromolecule.
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