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Gases and corresponding concentrations at the outlet of the gas source. Note that the actual concentration in the wind tunnel decreases as the generated gas plume spreads out along the tunnel. All the chemicals are released at a constant flow of 320 sccm.
| Analyte | Concentration at the gas source (ppm) |
|---|---|
| acetone | 2500 |
| acetaldehyde | 500 |
| ammonia | 10,000 |
| butanol (butyl-alcohol) | 100 |
| ethylene | 500 |
| methane | 1000 |
| methanol | 200 |
| carbon monoxide | 1000/4000 |
| benzene | 200 |
| toluene | 200 |
