The relationship between smoke yields (mg per cigarette) and the use of filters under standardised cigarette-making conditions
| Tobacco weight (g) | Filter used | No of results | CO | Nicotine | Tar | Nicotine retained (%) |
|---|---|---|---|---|---|---|
| 0.75 | None | 15 | 23.9 (1.2) | 2.80 (0.20) | 35.7 (2.2) | NA |
| 0.75 | Standard | 15 | 24.1 (2.1) | 1.46 (0.17) | 19.3 (2.0) | ND |
| 0.59 | Standard | 12 | 21.1 (1.4) | 1.22 (0.09) | 16.0 (1.5) | 57 (6) |
| 0.59 | Slimline | 12 | 24.4 (0.5) | 2.49 (0.21) | 28.8 (0.7) | 34 (1) |
The smoke yield figures are means from the stated number of replicates (standard deviations in parentheses). Nicotine retained on the filter is expressed as a percentage of the sum of smoke nicotine and nicotine retained on the filter; these figures are each the mean (standard deviation in parentheses) of three determinations.
CO = carbon monoxide; NA = not applicable; ND = not determined.