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Table 2 Identification of peaks in the first-shot pyrogram (260 °C) for the sample from “Disgelo” shown in Fig. 4 (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

2,6-Diisocyanatotoluene

174, 145, 118, 91, 76, 64

2

2-Amino-6-isocyanato toluene

148, 120, 106, 93, 65, 52

3

Isomer of 2-amino-6-isocyanato toluene

148, 119, 106, 92, 65, 52

4

Isomer of 2-amino-6-isocyanato toluene

148, 119, 106, 93, 65, 52

5

2-Naphthol

144, 115, 89, 74, 63

6

2-Naphthol trimethylsilyl ether

216, 201, 185, 145, 115, 73

7

1-Chloro-2,5-dinitrobenzene

202, 110, 75

8

Diethyl phthalate

177, 149, 105, 76, 65

9

Unknown

254, 239, 224, 99, 81, 69, 55

10

Tetradecanoic acid, trimethylsilyl ester

285, 145, 129, 117, 73, 55

11

Diisobutyl phthalate

223, 149, 104, 76, 57

12

7,9-Di-tert-butyl-1-oxaspiro[4.5]deca-6,9-diene-2,8-dione

261, 217, 205, 189, 175, 91, 77, 57

13

Hexadecanoic acid (palmitic acid)

256, 213, 129, 115, 97, 83, 73, 60

14

Dibutyl phthalate

149, 104, 76

15

Hexadecanoic acid, trimethylsilyl ester

313, 145, 132, 129, 117, 73, 55

16

Cyclohexyl acrylate

82, 67, 55

17

Octadecanoic acid

284, 241, 185, 129, 97, 73, 57

18

3-(4-Methoxyphenyl)-2-propenoic acid

178, 161, 133, 121, 89

19

1-(Phenylmethoxy)-naphthalene

234, 115, 91, 65

20

Octadecanoic acid, trimethylsilyl ester

341, 145, 132, 117, 73, 55

21

Tributyl acetylcitrate

259, 185, 157, 139, 129, 57

22

2-propenoic acid, 3-(4-methoxyphenyl)-, ethylhexyl ester

178, 161, 133, 118, 90, 77

23

Hexanedioic acid, dioctyl ester

241, 147, 129, 112, 101, 83, 70, 57

24

Bis(2-ethylhexyl) phthalate

279, 167, 149, 104, 70, 57