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Table 1 Details of individual Py-GC–MS tests, and library identification of peaks

From: Economy and fashion: analysing the use of simulated leather upholstery in a nineteenth century Australian coach

Test number

Sample

Wire temperature °C

Rate and final temperature  °C

Mode

Retention time in minutes

MS peaks (relative abundance)

Best match in NIST library

Test 2 14/06

Interior upholstery

770

10 min−1 290 for 10 min

Split

24.56

41 (42), 43 (53), 57 (73), 69 (71), 70 (55), 71 (52), 149 (100)

Nist 87687: 1,2-benzenedicarboxylic acid, mono(2-ethylhexyl) ester

Test 3 18/06

Interior upholstery

770

10 min−1 hold at 290 for 10 min

Split

19.88

41 (33), 57 (17), 149 (100), 150 (10)

Nist 87196: 1,2-benzenedicarboxylic acid, butyl octyl ester

20.03

41 (82), 43 (60), 55 (100), 57 (42), 69 (76), 74 (39), 81 (33), 83 (38)

Nist 16077: 9-octadecenoic acid (Z)-, methyl ester

24.55

41 (60), 43 (79), 57 (100), 70 (49), 71 (64), 149 (100), 167 (27)

Nist 87687: 1,2-benzenedicarboxylic acid, mono(2-ethylhexyl) ester

24.58

41 (51), 43 (67), 55 (47), 57 (100), 70 (48), 71 (56), 149 (79), 167 (22)

Nist 28948: octane 1 1′-oxybis-

26.17

43 (43), 57 (100), 69 (20), 70 (22), 73 (21), 99 (24), 127 (22), 172 (36)

Nist 21609: hexanoic acid, 2-ethyl-, 1,2-ethanediylbis (oxy-2,1-ethanediyl) ester

Test 5 18/06

Interior upholstery

480

10 min−1 hold at 290 for 10 min

Splitless

5.96

41 (100), 42 (32), 43 (93), 55 (86), 56 (74), 57 (76), 69 (37), 70 (43), 83 (18), 84 (14)

Nist 2347: 2-tridecene, (Z)-

7.43

41 (100), 42 (30), 43 (95), 55 (96), 56 (75), 57 (65), 69 (48), 70 (48), 83 (30), 84 (21)

Nist 2347: 2-tridecene, (Z)-

8.9

41 (48), 43 (84), 55 (30), 57 (100), 71 (39), 85 (22)

Nist 19943: heptadecane, 2,6-dimethyl-

10.34

41 (100), 43 (100), 55 (100), 56 (74), 57 (86), 69 (56), 70 (49), 83 (40), 97 (31)

Nist 2322: 3-tetradecene, (Z)-

11.679

41 (78), 43 (100), 55 (75), 56 (49), 57 (100), 69 (37), 70 (31), 71 (37), 83 (31), 97 (25)

Nist 2322: 3-tetradecene, (Z)-

12.95

41 (92), 43 (100), 55 (100), 56 (59), 57 (82), 69 (49), 70 (36), 71 (37), 83 (42), 97 (36)

Nist 16398: 7-hexadecene, (Z)-

Test 6 18/06

Commercial shellac

480

10 min−1 290 for 10 min

Splitless

10.34

41 (86), 43 (100), 55 (82), 56 (56), 57 (100), 69 (43), 70 (40), 71 (32), 83 (31)

Nist 2322: 3-tetradecene, (Z)-

11.7

41 (91), 43 (80), 55 (100), 56 (56), 57 (65), 69 (53), 70 (40), 83 (39), 97 (30)

Nist 2322: 3-tetradecene, (Z)-

12.95

41 (90), 43 (94), 55 (100), 56 (61), 57 (83), 69 (58), 70 (44), 83 (45), 97 (39)

Nist 16398: 7-hexadecene, (Z)-

15.96

41 (77), 43 (50), 55 (100), 60 (56), 69 (47), 73 (59), 83 (38), 111 (29)

Nist 30881: 9-oxononanoic acid

19.53

41 (54), 43 (35), 55 (100), 56 (56), 67 (36), 69 (25), 84 (46), 85 (66), 113 (25)

Nist 40947: 2-oxepanone, 7-hexyl-

19.68

41 (82), 43 (100), 55 (89), 57 (84), 60 (96), 69 (46), 71 (39), 73 (80)

Nist 7874: N-hexadecanoic acid

20.53

41 (68), 43 (58), 55 (92), 57 (51), 67 (66), 69 (53), 73 (62), 85 (43), 113 (100)

Octadecanoic acid, 6-hydroxy-, methyl ester

24.13

41 (83), 43 (62), 55 (68), 67 (53), 77 (64), 79 (51), 91 (100), 93 (45), 105 (54), 117 (84), 131 (67), 145 (34), 173 (35)

Nist 85035: 1,8-nonadien-3-yne, 2,8-dimethyl-7-methylene-

Test 7 18/06

Interior upholstery

770

15 min−1 hold at 290 for 8 min

Splitless

5.24

41 (35), 42 (62), 43 (26), 55 (100),69 (23), 98 (28)

Nist 16302: Cyclohexanone

8.99

41 (55), 43 (84), 55 (42), 57 (100), 71 (42)

Nist: 3-tetradecene, (Z)-

9.84

41 (45), 43 (79), 55 (36), 57 (100), 71 (45)

Nist 16015: 3-hexadecene, (Z)-

10.5

43 (29), 50 (60), 74 (24), 76 (85), 104 (100)

Nist 55191: phthalic anhydride

10.67

41 (89), 43 (100), 55 (100), 56 (56), 57 (83), 69 (60), 70 (43), 71 (39), 83 (48), 97 (43), 111 (20)

Nist 5151: E-14-hexadecenal

14.37

41 (77), 43 (100), 55 (80), 57 (80), 60 (94), 69 (40), 71 (36), 73 (77)

Nist 7874: N-hexadecanoic acid

15.13

43 (28), 50 (25), 65 (27), 76 (31), 104 (21), 149 (100)

Benzoic acid 2-(1-oxopropyl)-

15.57

41 (74), 43 (100), 55 (79), 57 (82), 60 (83), 69 (43), 71 (38), 73 (74)

Nist 7876: octadecanoic acid

Test 8 29/06

Interior upholstery

770

10 min−1 hold at 290 for 10 min

Splitless

19.88

41 (24), 56 (13), 57 (15), 65 (11), 76 (11), 149 (100), 150 (10)

Dibutyl phthalate

20.04

41 (73), 43 (64), 55 (100), 56 (30), 57 (46), 67 (47), 69 (66), 74 (43)

Nist 16077: 9-octadecenoic acid (z)-, methyl ester

24.55

41 (38), 43 (43), 55 (32), 57 (74), 70 (40), 71 (48), 149 (100), 167 (33)

Nist 87687: 1,2-benzenedicarboxylic acid, mono(2-ethylhexyl) ester

26.18

41 (23), 43 (35), 55 (24), 57 (100), 70 (17), 73 (27), 99 (22), 127 (27), 172 (44)

Nist 21609: hexanoic acid, 2-ethyl-, 1,2-ethanediylbis(oxy-2,1-ethanediyl) ester

Test 9 29/06

Interior upholstery

770

10 min−1 hold at 290 for 10 min

Splitless

9.01

40 (34), 43 (46), 44 (27), 50 (27), 51 (45), 77 (87), 105 (100), 120 (24)

Acetophenone

13.82

50 (64), 74 (26), 76 (98), 104 (100)

Nist 55191: phthalic anhydride

19.67

41 (79), 43 (100), 55 (75), 57 (83), 60 (100), 69 (40), 71 (35), 73 (82)

Nist 7874: N-hexadecanoic acid

21.44

41 (73), 43 (100), 55 (78), 57 (57), 60 (100), 69 (48), 71 (39), 73 (64)

Nist 7874: N-hexadecanoic acid

24.55

41 (55), 43 (70), 55 (45), 57 (88), 70 (47), 71 (54), 149 (100), 167 (33)

Nist 87687: 1,2-benzenedicarboxylic acid, mono(2-ethylhexyl) ester

Test 10 29/06

Standard: Polyethylene EC 680 Batch 0430

770

10 min−1 hold at 290 for 10 min

Splitless

16.37

41 (66), 43 (98), 55 (69), 57 (100), 69 (40), 71 (51)

Hexadecane, 1,1-bis(dodecyloxy)-