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Table 4 Identification of peaks in the fourth-shot pyrogram shown in Fig. 6 (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	Acetone	58
2	1,3-Cyclopentadiene	66
3	1,5-Hexadiene	81, 67, 54
4	Benzene	78, 63, 51
5	Acetic acid	60
6	Toluene	91, 65, 51
7	N-ethylacetamide	87
8	Diethylamine	73, 57
9	Ethylbenzene	106, 91
10	5-Hexen-1-ol	82, 67, 54
11	Styrene	104, 78, 63, 51
12	Allylbenzene	117, 103, 91, 77, 65
13	N-propylbenzene	120, 105, 91
14	Benzaldehyde	105, 77, 51
15	(1-Methylethenyl)-benzene	118, 103, 91, 78, 63, 51
16	Allylbenzene isomer	117, 103, 91, 65, 51
17	Cyclohexene	82, 67, 54
18	1-Ethenyl-2-methyl-benzene	117, 103, 91, 73, 63, 51
19	Allylbenzene isomer	117, 103, 91, 77, 63, 51
20	Indene	115, 89, 63, 51
21	1-Butynyl-benzene	130, 115, 102
22	1,2-dihydronaphthalene	130, 115, 102, 77, 67, 51
23	Naphthalene	128, 102, 74, 63, 51
24	1,2-Dihydro-2-methyl-naphthalene	144, 129, 115
25	2-Methylnaphthalene	142, 115, 89, 74, 63, 51
26	1-Methylnaphthalene	142, 115, 89, 74, 63, 51
27	2,6-Diisocyanatotoluene	174, 145, 132, 118, 91, 76
28	1,6-Diisocyanatohexane	99, 85, 69, 56
29	Biphenyl	154, 76, 51
30	2-Naphthol	144, 115, 89, 63
31	Unknown	169, 141, 114, 88, 74, 63
32	Unknown	144, 115, 103, 89, 73, 59
33	Unknown	183, 154, 128, 114, 88, 63
34	1,2-Dihydrophenanthrene	180, 165, 152, 89, 76
35	Phenanthrene	178, 152, 89, 76, 63
36	Oligomer	117, 103, 87, 73, 59
37	2-Phenylnaphthalene	204, 115, 101
38	Oligomer	202, 117, 101, 87, 73, 59
39	Oligomer	175, 117, 101, 87, 73, 59
40	Unknown	261, 232, 204, 129, 102, 77
41	Oligomer	207, 117, 101, 87, 73, 59
42	Oligomer	281, 207, 101, 87, 73, 59
43	Unknown	306, 128, 115, 101, 89, 77

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