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Table 6 Peak assignment for the GC–MS chromatograms of the acidic fractions of samples KLR-8008 and KLR-8012 in Fig. 6

From: Defining multiple inhabitations of a cave environment using interdisciplinary archaeometry: the ‘Christmas Cave’ of the Wadi en-Nar/Nahal Qidron, West of the Dead Sea

Peak # Retention time (min) Peak assignment
1 8.0 Benzoic acid
2 8.3 Octanoic acid
3 8.8 Tridecane
4 9.6 Nonanoic acid
5 10.2 Tetradecane
6 10.9 Decanoic acid
7 11.4 Heptanedioic acid, 1-methyl ester
8 11.7 Hexanedioic acid
9 12.1 Undecanoic acid
10 12.7 Hexadecane (IS1)
11 12.6 Octanedioic acid, 1-methyl ester
12 12.8 Heptanedioic acid
13 13.2 Dodecanoic acid
14 13.7 Octanedioic acid, 1-methyl ester
15 13.7 Octanedioic acid
* 13.9 Phthalic acid
16 14.3 Tridecanoic acid (IS2)
* 15.1 Terephthalic acid
17 14.9 Nonanedioic acid
18 15.0 ω-hydroxy-decanoic acid
19 15.1 Tetradecanoic acid (br)
20 15.6 Tetradecanoic acid
* 15.9 Phthalate (contaminant)
21 16.3 Decanedioic acid
22 16.6 Pentadecanoic acid (br)
23 16.8 Pentadecanoic acid (br)
24 17.4 Hexadecanoic acid, methyl ester
25 17.3 Pentadecanoic acid
26 18.0 Undecanedioic acid
27 18.3 Hexadecanoic acid (br)
28 18.8 (Z)-9-hexadecenoic acid
29 19.0 (E)-9-hexadecenoic acid
30 18.9 Hexadecanoic acid
31 19.5 Dodecanedioic acid
32 19.8 Heptadecanoic acid (br)
33 19.9 Heptadecanoic acid (br)
34 20.4 Octadecanoic acid, methyl ester
35 20.3 Heptadecanoic acid
36 20.7 Tridecanedioic acid
37 21.0 Octadecanoic acid (br)
38 21.4 9,12-octadecadienoic acid
39 21.1 (Z)-9-octadecenoic acid
40 21.7 (E)-9-octadecenoic acid
41 21.5 Octadecanoic acid
42 21.9 Tetradecanedioic acid
43 22.2 Nonadecanoic acid (br)
44 22.5 Hydroxycarboxylic FA -TMS
45 22.5 Nonadecanoic acid
46 22.8 Pentadecanedioic acid
47 23.0 ω-hydroxyhexadecanoic acid
48 23.3 Unknown (73, 129, 227, 329)
49 23.5 10-oxo-octadecanoic acid
50 23.5 eicosanoic acid
51 24.3 9,x-dihydroxyoctadecanoic acid (?)
52 24.5 9,x-dihydroxyoctadecanoic acid (?)
53 24.6 9,x-dihydroxyoctadecanoic acid (?)
54 23.8 Hexadecanedioic acid
55 24.0 ω-hydroxyoctadecanoic acid
56 24.4 Heneicosanoic acid
57 25.0 9,x-dihydroxyoctadecanoic acid (?)
58 25.2 Docosanoic acid
59 26.1 Tricosanoic acid
60 27.0 Tetracosanoic acid
61 30.4 Hexacosanoic acid
62 32.3 Cholesterol (traces)
  1. All organic acids and alcohols are detected as their TMS esters and ethers, respectively