Concentration 06
Concentration 06 : Fire effluent or toxic gas. mass per unit volume. NOTE 1 for a fire effluent the typical units are g. m-3. NOTE 2 For a toxic gas, concentration is usually expressed as a volume fraction at T = 298 K and P = 1 atm, with typical units of . L/L. (= cm3/m3 = 10-6). NOTE 3 The concentration of a gas at a temperature, T, and a pressure, P can be calculated from its volume fraction (assuming ideal gas behaviour) by multiplying the volume fraction by the density of the gas at that temperature and pressure
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