equation
(e-kwa´zhәn)
an expression of equality between two parts.
Henderson-Hasselbalch equation
a formula for calculating the pH of a buffer solution such as blood plasma, pH = pKa + log [BA/HA]; [HA] is the concentration of a free weak acid; [BA] the concentration of the ionized form of this acid; pKa the acid dissociation constant, a measure of the ionization equilibrium of the acid.

Copyright 2007. An Elsevier publication. All rights reserved.
Click here for important legal information about Dorland's Medical Dictionary.
|