Convert mg/m3 to PPB Conversion
Convert mg/m3 to PPB Parts Per Billion
Concentration Total Molecular Weight (ex: So2 Molecular weight is 64.1)
Your NTP Result (mg/m3) Will Be Shown Here
Your NTP Result (ug/m3) Will Be Shown Here
Your STP Result (mg/m3) Will Be Shown Here
Your STP Result (ug/m3) Will Be Shown Here
STP (Standard Temperature and Pressure): defined at air 1 atm or 1 atmosphere at 00C - 273.15 K, 320F. - In STP (1 Mole) of a Gas is equal to 22.45 Litres
NTP (Normal Temperature and Pressure): defined at air 1 atm or 1 atmosphere at 200C - 293.15 K, 680F. - In NTP (1 Mole) of a Gas is equal to 24.45 Litres
Mg/M3 to PPB (Parts Per Billion).
ppb in NTP = ((MgM3 * 24.45) / Molecular Weight) / 1000
exp: ((42.3 * 24.45) / 33.9) / 1000 = 0.03 PPB milligram
ppb in STP = ((MgM3 * 24.45) / Molecular Weight) / 1000
exp: ((42.3 * 22.45) / 33.9) / 1000 = 0.02 PPB milligram
