| Component | Slope (b1) | s(b1) | df | t0.95,n-2 | b1/s (b1) | p-value | Result |
| He | 6 × 10−06 | 5.567 × 10−06 | 3 | 3.182 | 1.078 | 0.404 | No trend |
| n-pentane | 3 × 10−07 | 1.720 × 10−07 | 3 | 3.182 | 1.744 | 0.221 | No trend |
| i-pentane | 8 × 10−06 | 4.134 × 10−05 | 3 | 3.182 | 0.193 | 0.859 | No trend |
| n-butane | 7 × 10−06 | 2.973 × 10−06 | 3 | 3.182 | 2.354 | 0.132 | No trend |
| i-butane | 6 × 10−06 | 4.134 × 10−05 | 3 | 3.182 | 0.145 | 0.859 | No trend |
| Propane | 3 × 10−06 | 4.134 × 10−05 | 3 | 3.182 | 0.072 | 0.859 | No trend |
| Ethane | 3 × 10−06 | 6.407 × 10−06 | 3 | 3.182 | 0.468 | 0.659 | No trend |
| Methane | 2 × 10−04 | 1.750 × 10−04 | 3 | 3.182 | 1.143 | 0.392 | No trend |
| Nitrogen | 3 × 10−07 | 9.899 × 10−06 | 3 | 3.182 | 0.030 | 0.858 | No trend |
| n-hexane | 3 × 10−07 | 1.518 × 10−07 | 3 | 3.182 | 1.977 | 0.181 | No trend |
| Hydrogen | 8 × 10−08 | 1.425 × 10−07 | 3 | 3.182 | 0.561 | 0.458 | No trend |