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| cigarette brand | content
of nicotine, mg/cigarettea |
F-test | |
|---|---|---|---|
| potentiometry | GC | ||
| Cleopatra (Egypt) | 0.93 ± 0.07 | 0.89 ± 0.05 | 1.42 |
| Marlboro Red (USA) | 1.11 ± 0.02 | 1.07 ± 0.02 | 2.34 |
| Marlboro White (USA) | 1.13 ± 0.01 | 1.08 ± 0.05 | 3.32 |
| LM (Egypt) | 0.89 ± 0.06 | 0.86 ± 0.03 | 1.66 |
| Winston (USA) | 0.93 ± 0.02 | 0.97 ± 0.03 | 2.56 |
Mean of three measurements ± standard deviation (SD); F-test at a 95% confidence level value.
