Table 4 The fragment information of sample C55-6 from the Py-GC/MS analysis
From: Investigation on gilding materials and techniques of murals in Cave 55 at Mogao Grottoes
No. | Retention time/min | m/z | Pyrolysis products identified |
|---|---|---|---|
1 | 1.311 | 202 | Pyrene |
2 | 1.472 | 204 | Pyrene,4,5-dihydro- |
3 | 1.787 | 97 | 2-Methyl-3-oxobutyronitrile |
4 | 2.248 | 78 | Benzene |
5 | 2.402 | 128 | (3S)-(-)-3-Acetamidopyrrolidine |
6 | 2.753 | 132 | 1,7-Heptanediol |
7 | 2.980 | 121 | 1-Cyclohexene-1-acetonitrile |
8 | 3.097 | 79 | Pyridine |
9 | 3.148 | 67 | Pyrrole |
10 | 3.302 | 92 | Toluene |
11 | 4.503 | 126 | 2-Octyn-1-ol |
12 | 4.891 | 124 | 9-Oxabicyclo[6.1.0]non-4-ene |
13 | 5.623 | 126 | 2-Octyn-1-ol |
14 | 7.132 | 150 | Bicyclo[3.3.1]non-6-ene-3, 9-dione |
15 | 8.245 | 121 | Benzaldehyde,oxime,(Z)- |
16 | 10.434 | 168 | Tricyclo[5.2.1.0(1,5)]decane-8,9-diol |
17 | 13.590 | 210 | Acetamide,N-methyl-N-[4-(3-hydroxypyrrolidinyl)-2-butynyl]- |
18 | 16.724 | 238 | Geranyl isovalerate |
19 | 17.178 | 238 | Geranyl isovalerate |
20 | 18.979 | 240 | Cyclopentadecanone,2-hydroxy- |
21 | 19.169 | 344 | Benzene,(3-octylundecyl)- |
22 | 20.714 | 314 | Ethanol,2-(octadecyloxy)- |
23 | 24.639 | 240 | Tetradecane,2,6,10-trimethyl- |
24 | 28.344 | 186 | Diketodipyrrole |
