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The Henderson–Hasselbalch equation

figure

posted on 2011-12-30, 17:25 authored by David A Story

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Taken from "Bench-to-bedside review: A brief history of clinical acid–base"

Critical Care 2004;8(4):253-258.

Published online 30 Apr 2004

PMCID:PMC522833.

pH, plasma pH; pKa, negative log to base 10 of the apparent, overall dissociation constant of carbonic acid; [HCO], plasma bicarbonate concentration; α, solubility of carbon dioxide in blood at 37°C; pCO, partial pressure of carbon dioxide in blood.