Section 7: Calculations
Calculate the dry gas volume on a dry basis referenced to 25°C and 101.3 kPa using Equation 1.
Equation 1
Calculate the concentrations of gaseous HCl on a dry basis referenced to 25°C and 101.3 kPa by using Equation 2 (mg/m3, w/v) or Equation 3 (ppm, v/v).
Equation 2
Equation 3
The HCl concentration may be corrected to 50% excess air or 12% CO2 or 11% O2 using Equations 4, 5 and 6 respectively.
Equation 4
Equation 5
Equation 6
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