FeCO

    FeCO

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    Fractional concentration of carbon monoxide in exhaled breath.

    FeCO is determined in exhaled air after a 10 or 15s breath-hold and expressed in ppm (part per million). This value is generally higher in the breath of smokers.

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    Jérôme Harlay
    PhD in science and journalist for the Vaping Post. Specialised in scientific topics.