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2100:1 partition ratio

The conventional blood/breath partition assumption used by breath alcohol analysers worldwide: 2100 mL of venous blood contains the same mass of ethanol as 1 mL of alveolar air at body temperature. Population mean, with individual variation from approximately 1700:1 to 2400:1.

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Related terms

Beta elimination rate (beta)Blood alcohol concentration (BAC)DB-ALC1 / DB-ALC2Internal standard (IS)NIST SRM 1828Partition coefficient (K)Sodium fluoride / potassium oxalate (grey-top tube)Static headspaceWidmark factor (rho / r)

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