Open Access
Table 5.
Volatile compounds concentrations, average peak area and RRFs for both traditional and advance IS methods.
| Compound | Concentration | Average peak area, a.u. | Average calibration coefficient | ||
|---|---|---|---|---|---|
| mg/L | mg/L AA | RRFiEth | RRFi3−pentanol | ||
| acetaldehyde | 200 | 501 | 9.489 | 1.319 | 2.011 |
| methyl acetate | 261 | 652 | 9.406 | 1.733 | 2.642 |
| ethyl acetate | 264 | 660 | 12.940 | 1.275 | 1.945 |
| methanol | 231 | 577 | 10.122 | 1.427 | 2.175 |
| ethanol | 315,720 | 789,300 | 19.744 | 1.000 | 1.525 |
| 2-butanol | 237 | 593 | 19.097 | 0.777 | 1.184 |
| 1-propanol | 231 | 576 | 18.108 | 0.796 | 1.214 |
| isobutanol | 238 | 595 | 22.031 | 0.676 | 1.030 |
| 3-pentanol (Traditional IS) | 233 | 583 | 22.234 | 0.656 | 1.000 |
| 1-butanol | 240 | 600 | 21.042 | 0.713 | 1.087 |
| 2-methyl-1-butanol | 234 | 585 | 22.322 | 0.656 | 1.000 |
| 3-methyl-1-butanol | 232 | 581 | 22.590 | 0.643 | 0.980 |
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