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Table 3 Identification of the peaks in the second- and third-shot pyrograms shown in Fig. 5a, b (italics: base peak ion)

From: Synthetic materials in art: a new comprehensive approach for the characterization of multi-material artworks by analytical pyrolysis

No Peak identification Main ions (m/z)
1 2-Chloroaniline 127, 102, 92, 65
2 2-Chlorophenyl isocyanate 153, 125, 90, 63
3 2,6-Diisocyanatotoluene 174, 145, 118, 91, 76, 64
4 1,6-Diisocyanatohexane 99, 85, 69, 56
5 2-Amino-6-isocyanato toluene 148, 120, 106, 93, 65, 52
6 Isomer of 2-amino-6-isocyanato toluene 148, 119, 106, 93, 65, 52
7 Isomer of 2-amino-6-isocyanato toluene 148, 119, 106, 93, 65, 52 
8 2-Naphthol 144, 115, 89, 74, 63
9 Benz(c,d)indol-2(1H)-one 169, 141, 114, 87, 63
10 2-Naphthol trimethylsilyl ether 216, 201, 185, 145, 127, 115, 100, 73
11 Diethyl phthalate 177, 149, 105, 76, 65
12 4-Chloro-2-nitroaniline 172, 142, 126, 114, 99, 90, 63, 52
13 Unknown 183, 154, 128, 114, 88, 75, 63
14 Tripropylene glycol 5 161, 117, 103, 72, 59
15 Unknown 231, 215, 200, 185, 158, 130, 115, 103, 73
16 Tripropylene glycol 6 117, 87, 73, 59
17 2,4-dinitroaniline 183, 153, 107, 91, 79, 63, 52
18 Hexadecanoic acid, trimethylsilyl ester 313, 145,132, 129, 117, 73, 55
19 Benzopyridine 185, 129, 102, 76, 63, 51
20 Octadecanoic acid, trimethylsilyl ester 341, 145, 132, 117, 73, 55
21 Ether oligomers 175, 117, 103, 87, 73, 59