气体ppm指的是“体积ppm比值”
每升空气气体含:50μmol= 50x10^-6 mol CO2
50x10^-6 mol x 22.4 L/mol = 1120 x10^-6 L =1.12x10^-3 L
1.12x10^-3 L CO2/1L 空气 = 1120 ppm(体积比)
气体ppm指的是“体积ppm比值”
每升空气气体含:50μmol= 50x10^-6 mol CO2
50x10^-6 mol x 22.4 L/mol = 1120 x10^-6 L =1.12x10^-3 L
1.12x10^-3 L CO2/1L 空气 = 1120 ppm(体积比)