System: $\ce{He}$, $\ce{Ar}$, $\ce{N2}$, $\ce{O2}$, $\ce{CO2}$, $\ce{SO2}$, $\ce{NH3}$, $\ce{C2H6}$, $\ce{C3H8}$, $\ce{n-C4H10}$ and Ethyl Cellulose (EC)

Substances