Table 13: Regression data and limit of detection of pyrethroids and internal standard.
Regression equation | Correlation coefficient | 10 × LOD | |
Pyrethroid & Standard | Concentration (ppb) | ||
Permethrin cis | y = 0.0002x + 0.0003 | r2 = 0.999 | 0.012 |
Permethrin trans | y = 0.0021x -9 × 10-5 | r2 = 0.996 | 0.22 |
Fenvalerate cis | Y = 0.0517x + 0.0237 | r2 = 0.997 | 4.4 |
Fenvalerate trans | Y = 0.0117x + 0.02094 | r2 = 0.998 | 0.85 |
Cyfluthrin | Y = 0.01344x - 0.0024 | r2 = 0.995 | 1.4 |
Cypermethrin | Y = 0.0046x + 0.0351 | r2 = 0.998 | 0.69 |
Deltamethrin | Y = 0.0718x - 0.1909 | r2 = 0.997 | 4.3 |
Mirex, Standard | Y = 0.02175x + 0.4717 | r2 = 0.998 | 0.85 |