Extent of Absorption
Extent of Absorption
Extent of Absorption
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Elimination<br />
The parameter most commonly used to describe<br />
the rate <strong>of</strong> elimination <strong>of</strong> a chemical is the<br />
half-life life . Most toxicokinetic processes are<br />
first-order reactions, i.e. the rate at which the<br />
process occurs is proportional to the amount <strong>of</strong><br />
chemical present. High rates (expressed as<br />
mass/time) occur at high concentrations and<br />
the rate decreases as the concentration<br />
decreases; in consequence the decrease is an<br />
exponential curve.<br />
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