Research Article
Discrimination of Pakistani Fountain Pen Inks by Gas Chromatography-Mass Spectrometry (GC-MS)
Table 2
Compounds identified by GC-MS for blue fountain pen inks samples: Bl1, Bl2, and Bl3.
| | Ink code | Peak identification | Retention time (min) | Chemical formula | Relative abundance |
| | Bl1 | Phenol | 6.370 | (C6H6O) | 5.42 | | Glycerin | 9.561 | (C3H8O3) | 24.02 | | 3-Dibenzofuranamine | 18.166 | (C12H9NO) | 3.47 |
| | Bl2 | Phenol | 6.348 | (C6H6O) | 23.23 | | Acetic acid | 10.770 | (C2H4O2) | 5.40 |
| | Bl3 | Xylitol | 5.941 | (C5H12O5) | 5.22 | | Glycerin | 9.55 | (C3H8O3) | 22.50 | | Isosorbide | 12.630 | (C6H10O4) | 3.43 | | N-Methyl-N-nitroso-urea | 15.674 | (C2H5N3O2) | 3.62 | | 1,4-Anhydro-d-mannitol | 17.846 | (C6H12O5) | 3.43 |
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