Clinical Correlates of pH Levels
Problem 2: Bicarbonate as a biological buffer
Bicarbonate is a crucial buffer in the body and is usually present in body fluids
as sodium bicarbonate (sodium being the main positive ion in extracellular
fluids). What features of sodium bicarbonate contribute to its effectiveness as
a biological buffer?
The Biology Project
Department of Biochemistry and Molecular Biophysics
The University of Arizona
January 19, 1999
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