Table 4 Retardation factors and groundwater ubiquity score of QUN in soils.
From: Adsorption–desorption behavior of the endocrine-disrupting chemical quinestrol in soils
Soil site | Soil property | Retardation factor | GUS | ||
---|---|---|---|---|---|
Bulk density, ρb | Porositya, θ | Rf = 1 + ρbKf/θ | DT50b | Log(DT50) × [4 − log (KOC)] | |
BJ | 1.36 | 0.49 | 36.08 | 9.44 | 1.16 |
NMG | 1.65 | 0.38 | 17.15 | 14.72 | 1.74 |
YN | 1.29 | 0.51 | 18.58 | 13.12 | 1.42 |
HLJ | 1.48 | 0.44 | 69.85 | 9.92 | 1.07 |
GX | 1.33 | 0.50 | 31.13 | 9.83 | 1.23 |