Table 3.
List of Phenols Derivatives Identified in the Cigarette and Waterpipe Samples
| Compound | Total amount of possible isomers, µg/cigarette (n = 6) | Total amount of possible isomers, µg/waterpipe (n = 12) | ||||
|---|---|---|---|---|---|---|
| Average | SD | % RSD | Average | SD | % RSD | |
| Derivatives of phenol and cresola (m/z = 194) | 7.6 | 1.4 | 18 | 6.000 | 3.686 | 61 |
| Derivatives of catechol, resorcinol, and hydroquinoneb (m/z = 268) | 30 | 5.3 | 18 | 259.8 | 92.62 | 36 |
| Vanillin (m/z = 194) | 2.2 | 1.2 | 57 | 3192 | 1242 | 39 |
| Ethyl vanillin (m/z = 194) | 0.5 | 0.5 | 102 | 616.0 | 271.6 | 44 |
| Benzyl alcohol (m/z = 165) | 0.9 | 0.2 | 20 | 232.4 | 74.54 | 32 |
Note. RSD = Relative Standard Deviation.
aPossible isomers: 2-ethylphenol, 4-ethylphenol, 2,5-dimethylphenol, 3,5-dimethylphenol, 2,6-dimethylphenol, 2,3-dimethylphenol, 3,4-dimethylphenol.
bPossible isomers: 4-methylcatechol, 3-methylcatechol, 3-methylresorcinol, 2-methylresorcinol, methylhydroquinon.