# Identification by GC-MS Analysis of Organics in Manufactured Articles through a D-Optimal Design
## 3 Results
### GC-MS Analysis
\begin{table}
\begin{tabular}{c c c c c} \hline \hline
**Sample** & **Compound** & **CAS** & **t\({}_{\mathbf{R}}\) (min)** & **\# ID** \\ \hline \multirow{8}{*}{C} & phenol & 108-95-2 & 5.1 & 1 \\  & hexadecan-1-ol & 36653-82-4 & 13.2 & 17 \\  & 2-methylpropyl tetradacanoate & 25263-97-2 & 13.6 & 18 \\  & (E)-hexadec-9-enoic acid & 2091-29-4 & 13.6 & 19 \\  & (Z)-hexadec-11-enoic acid & 2416-20-8 & 13.7 & 20 \\  & (E)-octadec-9- penal & 5090-41-5 & 13.8 & 21 \\  & hexadecanico acid & 57-10-3 & 13.8 & 22 \\ \cline{2-5}  & 2-methylpropyl hexadecanoate & 110-34-9 & 14.9 & 23 \\  & octadecanico acid & 2027-47-6 & 15.1 & 24 \\  & octadecanico acid & 57-11-4 & 15.2 & 25 \\  & 1-methyl-4-(4-methylphenyl)/sulfonylbenzene & 599-66-6 & 15.4 & 26 \\  & hexadecyl (Z)-octadec-9-enoate & 22393-86-8 & 16.0 & 27 \\  & butyl (Z)-octadec-9-enoate & 142-77-8 & 16.0 & 28 \\  & 2-methylpropyl octadecanoate & 646-13-9 & 16.1 & 29 \\  & 1-methoxy-3-pentadecylbenzene & 15071-57-5 & 16.6 & 30 \\  & 3-pentadecylphenol & 5012-46 & 17.0 & 31 \\ \hline \multirow{8}{*}{C1} & 2-methylpropyl hexadecanoate & 110-34-9 & 14.9 & 32 \\  & 1-methyl-4-(4-methylphenyl)sulfonylbenzene & 599-66-6 & 15.3 & 26 \\  & butyl (Z)-octadec-9-enoate & 142-77-8 & 16.0 & 28 \\  & 2-methylpropyl octadecanoate & 646-13-9 & 16.1 & 29 \\  & 3-pentadecylphenol & 5012-46 & 16.9 & 31 \\ \hline \multirow{8}{*}{D} & 1-(furan-2-yl)ethanoneone & 1192-62-7 & 4.9 & 33 \\  & benzaldehyde & 100-52-7 & 5.5 & 34 \\  & (E)-3-(furan-2-yl)prop-2-enal & 623-30-3 & 7.3 & 35 \\  & butylfuran-2-carboxylate & 583-35-5 & 8.2 & 36 \\  & 3H-2-benzofuran-1-one & 877-41-2 & 9.7 & 37 \\  & 2-dodecoxyethanol & 4536-30-5 & 12.1 & 38 \\  & (Z)-pentadec-11-enal & - & 12.5 & 39 \\  & 2-methylpropyl] dodecanoate & 37811-72-6 & 12.8 & 40 \\  & tetradacanoic acid & 544-63-8 & 12.9 & 41 \\  & pentadecanoic acid & 1002-84-2 & 13.6 & 42 \\  & (Z)-hexadec-11-enoic acid & 2416-20-8 & 13.7 & 20 \\  & hexadecanoic acid & 57-10-3 & 13.8 & 43 \\  & methyl hexadecanoate & 112-39-0 & 14.1 & 44 \\  & octadec-9-enoic acid & 2027-47-6 & 15.6 & 24 \\  & octadecanoic acid & 57-11-4 & 15.7 & 25 \\  & 1-methyl-4-(4-methylphenyl)sulfonylbenzene & 599-66-6 & 15.9 & 26 \\  & 1-methoxy-3-pentadecylbenzene & 15071-57-5 & 16.6 & 30 \\  & 3-pentadecylphenol & 501-24-6 & 17.0 & 31 \\ \hline \multirow{8}{*}{E} & 5-methylfuran-2-carbaldehyde & 620-02-0 & 4.9 & 45 \\  & benzoic acid & 65-85-0 & 7.9 & 4 \\  & (E)-4-(furan-2-yl)but-3-en-2-one & 41438-24-8 & 8.1 & 46 \\  & 3H-2-benzofuran-1-one & 87-41-2 & 9.7 & 37 \\  & decanoic acid & 334-48-5 & 9.8 & 47 \\  & dodecanoic acid & 143-07-7 & 11.4 & 48 \\  & tetradacanoic acid & 544-63-8 & 13.0 & 41 \\  & methyl (E)-hexadec-11-enoate & 55000-42-5 & 13.3 & 49 \\  & propan-2-yl tetradacanoate & 110-27-0 & 13.4 & 50 \\  & methyl hexadecanoate & 112-39-0 & 13.5 & 44 \\  & pentadecanoic acid & 1002-84-2 & 13.6 & 42 \\  & (Z)-hexadec-11-enoic acid & 2416-20-8 & 13.7 & 20 \\  & propan-2-yl hexadecanoate & 142-91-6 & 14.1 & 51 \\  & heptadecanoic acid & 506-12-7 & 15.1 & 52 \\  & octadecanoic acid & 57-11-4 & 15.1 & 25 \\  & methyl (E)-octadec-9-enoate & 1937-62-8 & 15.2 & 53 \\  & octadec-9-enoic acid & 2027-47-6 & 15.7 & 24 \\  & 3-pentadecylphenol & 501-24-6 & 16.9 & 31 \\ \hline \multirow{8}{*}{F} & benzaldehyde & 100-52-7 & 4.9 & 34 \\  & octanoic acid & 124-07-2 & 7.3 & 54 \\  & hexadecanentirile & 629-79-8 & 13.3 & 55 \\  & pentadecanentirile & 18300-91-9 & 13.4 & 56 \\  & (Z)-hexadec-11-enoic acid & 2416-20-8 & 13.7 & 20 \\  & (E)-hexadec-9-enoic acid & 2091-29-4 & 13.7 & 19 \\  & hexadecanoic acid & 57-10-3 & 13.8 & 43 \\  & 3-[(2-methyl-5-nitrophenyl)]iminomethyl]phenol & - & 13.9 & 57 \\ \hline \hline \end{tabular}
\end{table} 
Table 3: _Cont._For manufactured articles' samples (from W to Z), only compounds that are found in raw materials are reported and, in the tables, the attribution of each molecule to the raw material is also shown.