Table 6 Physical properties and concentrations of selected bidi smoke components in vapor and particulate phases
From: Analysis of chemical constituents in mainstream bidi smoke
Compound | Vapor pressure (mm Hg) | Solubility in water (g/L) | Henry’s constant (atm m3/mol) | Gas phase conc. (μg/piece) | TPM conc. (μg/piece)a | Ratio (gas/TPM) |
|---|---|---|---|---|---|---|
2-Methylphenol | 29.90 × 10−2 | 31.80 | 1.20 × 10−6 | 5.37 | 15.87 | 0.33 |
4-Methylphenol | 11.00 × 10−2 | 23.10 | 1.00 × 10−6 | 15.10 | 29.11 | 0.51 |
2-Methoxyphenol | 10.30 × 10−2 | 18.70 | 1.20 × 10−6 | 17.10 | 46.53 | 0.36 |
Cotinine | 8.55 × 10−5 | ISb | 3.33 × 10−12 | 9.99 | 33.50 | 0.30 |