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Acidobazická rovnováha

Acidobazická rovnováha

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Handerson-Hasselbalchova rovnice<br />

pro bikarbonátový pufr<br />

• pH = pK A + log [HCO 3- ]/[CO 2 ]<br />

• [CO 2 ] = α . pCO 2<br />

– α = 0,226 pro pCO 2 v kPa<br />

– α = 0,03 pro pCO 2 v mmHg<br />

• za fyziologických podmínek<br />

– [HCO 3- ] = 24 mM<br />

– [CO 2 ] = 1,2 mM<br />

• pH = 6,1 + log 24/1,2 = 7,4

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