## 3 Results and Discussion
### Headspace Linearity and Its Impact on Analyte Relative Distribution
\begin{table}
\begin{tabular}{c c c c c c c c} \hline \hline  & \multicolumn{2}{c}{**Sampling Amount 0.100 g**} & \multicolumn{2}{c}{**Sampling Amount 1.500 g**} & \multicolumn{2}{c}{**MHS-SPME-TRIF (0.100 g)**} \\ \cline{2-7}  & \multicolumn{1}{c}{**Norm.**} & \multicolumn{1}{c}{**\% Volume**} & \multicolumn{1}{c}{**Norm.**} & \multicolumn{1}{c}{**\% Volume**} & \multicolumn{1}{c}{**\% Error**} & \multicolumn{1}{c}{\(\beta\)} & **Decay Function** \\ \hline
1-Octanol & 1.10 & \(9.42\times 10^{-3}\) & 0.11 & \(6.75\times 10^{-4}\) & \(-89.75\) & 0.67 & y = \(-0.40\times 14.1\) \\ (\(E\))-2-Decenal & 0.92 & \(7.82\times 10^{-3}\) & 0.35 & \(2.07\times 10^{-3}\) & \(-62.06\) & 0.59 & y = \(-0.54\times 14.7\) \\ Heptanal & 1.36 & \(1.16\times 10^{-2}\) & 0.77 & \(4.62\times 10^{-3}\) & \(-43.25\) & 0.47 & y = \(-0.76\times 14.6\) \\
2-Octanone & 0.20 & \(1.71\times 10^{-3}\) & 0.15 & \(8.95\times 10^{-4}\) & \(-25.33\) & 0.76 & y = \(-0.28\times 12.5\) \\
2-Nonanone & 0.17 & \(1.46\times 10^{-3}\) & 0.15 & \(8.91\times 10^{-4}\) & \(-12.96\) & 0.62 & y = \(-0.48\times 12.7\) \\
1-Butanol & 3.38 & \(2.88\times 10^{-2}\) & 2.97 & \(1.77\times 10^{-2}\) & \(-12.05\) & 0.37 & y = \(-1.00\times 16.1\) \\ (\(E\))-2-Pentenal & 25.42 & \(2.17\times 10^{-1}\) & 22.45 & \(1.34\times 10^{-1}\) & \(-11.65\) & 0.28 & y = \(-1.28\times 17.5\) \\ (\(Z\))-2-Penten-1-ol & 9.06 & \(7.73\times 10^{-2}\) & 8.81 & \(5.26\times 10^{-2}\) & \(-2.74\) & 0.39 & y = \(-0.94\times 17.1\) \\ Hexanal & 366.32 & \(3.13\times 10^{0}\) & 360.14 & \(2.15\times 10^{0}\) & \(-1.69\) & 0.48 & y = \(-0.74\times 20.6\) \\ (\(E\))-2-Hexenal & 0.15 & \(1.24\times 10^{-3}\) & 0.15 & \(8.68\times 10^{-4}\) & 0.21 & 0.67 & y = \(-0.74\times 23.6\) \\ Ethyl acetate & 0.61 & \(5.23\times 10^{-3}\) & 0.62 & \(3.68\times 10^{-3}\) & 0.67 & 0.63 & y = \(-0.46\times 13.4\) \\
2-Pentanol & 0.19 & \(1.61\times 10^{-3}\) & 0.19 & \(1.15\times 10^{-3}\) & 2.84 & 0.69 & y = \(-0.37\times 12.7\) \\
1-Hexanol & 304.90 & \(2.60\times 10^{0}\) & 384.66 & \(2.30\times 10^{0}\) & 26.16 & 0.75 & y = \(-0.28\times 19.8\) \\ Toluene & 1.14 & \(9.72\times 10^{-3}\) & 1.46 & \(8.71\times 10^{-3}\) & 28.23 & 0.44 & y = \(-0.81\times 14.6\) \\ (\(Z\))-3-Hexen-1-ol & 71.87 & \(6.13\times 10^{-1}\) & 92.98 & \(5.55\times 10^{-1}\) & 29.37 & 0.74 & y = \(-0.30\times 18.5\) \\ (\(E\))-2-Penten-1-ol & 220.87 & \(1.88\times 10^{0}\) & 301.14 & \(1.80\times 10^{0}\) & 36.34 & 0.28 & y = \(-0.82\times 20.3\) \\
1-Penten-3-ol & 191.90 & \(1.64\times 10^{0}\) & 267.17 & \(1.59\times 10^{0}\) & 39.23 & 0.44 & y = \(-0.81\times 20.0\) \\ (\(E\))-2-Hexen-1-ol & 171.70 & \(1.46\times 10^{0}\) & 247.77 & \(1.48\times 10^{0}\) & 44.30 & 0.73 & y = \(-0.32\times 19.3\) \\ Decane & 0.34 & \(2.90\times 10^{-3}\) & 0.49 & \(2.93\times 10^{-3}\) & 44.54 & 0.73 & y = \(-0.32\times 13.0\) \\ (\(E\))-2-Octenal & 0.41 & \(3.48\times 10^{-3}\) & 0.59 & \(3.52\times 10^{-3}\) & 44.89 & 0.44 & y = \(-0.40\times 13.1\) \\ Acetic acid & 15.99 & \(1.36\times 10^{-1}\) & 37.64 & \(2.25\times 10^{-1}\) & 135.36 & 0.45 & y = \(-0.81\times 17.9\) \\ (\(E\),\(E\))-2,4-Hexadienal & 19.17 & \(1.64\times 10^{-1}\) & 50.81 & \(3.03\times 10^{-1}\) & 165.05 & 0.48 & y = \(-0.73\times 17.9\) \\
1-Pentanol & 3.54 & \(3.02\times 10^{-2}\) & 9.89 & \(5.90\times 10^{-2}\) & 179.08 & 0.51 & y = \(-0.68\times 15.8\) \\
2-Methylfuran & 0.25 & \(2.17\times 10^{-3}\) & 1.11 & \(6.64\times 10^{-3}\) & 338.20 & 0.57 & y = \(-0.56\times 13.1\) \\ Nonanal & 0.69 & \(5.88\times 10^{-3}\) & 7.88 & \(4.70\times 10^{-2}\) & 1043.06 & 0.58 & y = \(-0.55\times 15.6\) \\ Cyclohexane & 15.81 & \(1.35\times 10^{-1}\) & 273.40 & \(1.63\times 10^{0}\) & 1629.52 & 0.34 & y = \(-1.07\times 18.0\) \\ \hline \hline \end{tabular}
\end{table} 
Table 3: Normalized and % volumes obtained by sampling 0.100 and 1.500 g of reference EV oil, as calculated after the first extraction. % Error refers to the relative error in response indicators as calculated between the two sampling amounts, and by taking the lowest as reference.