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. 2022 Nov 15;20(11):e07634. doi: 10.2903/j.efsa.2022.7634
Metabolite 505M08 (BF 505–7)
Soil Type OC (%) pHCaCl2 (pHH2O) Kd (mL/g) Kdoc (mL/g) KF (mL/g) KFoc (mL/g) 1/n
Indirect method
Sand/loamy sand (Lufa 2.2) 2.5 5.8 (6.4) 0.499 20.0 0.95
Loamy sand (Bruch West) 1.5 7.5 (8.0) 0.057 3.8 1.22
Loamy sand (Li35b) 1.1 6.5 (7.0) 0.086 7.8 0.99
Silty loamy sand (USA 538‐31‐2) 0.5 5.2 (5.8) 0.665 133.0 0.95
Indirect (one soil, Niersw. Wild.) and Direct method (four soils)
Silt loam (Niersw. Wild.) 1.9 5.7 (6.5) 0.750 40.6 0.96
Loam (Fiorentino) 1.0 7.4 (8.2) 0.080 8.3 1.00
Loamy sand (Li 10) 1.0 6.2 (6.9) 0.090 9.6 1.00
Sand (Lufa 2.1) 0.6 5.6 (6.5) 0.130 22.0 1.00
Sandy loam (Lufa 2.3) 1.0 6.7 (7.4) 0.060 6.0 0.99
Direct method
Silt loam (Niersw. Wild.) 2.01 5.6 (6.2) 0.49 24.2 0.91
Loam (PioggioRenatico) 0.82 7.5 (8.3) 0.17 20.2 0.96
Loamy sand (Li 10) 0.89 6.1 (6 9) 0.14 15.7 0.93
Sand (Lufa 2.1) 0.72 5.6 (6.2) 0.26 35.6 0.93
Sandy loam (Lufa 2.3) 0.66 5.3 (6 3) 0.12 17.6 0.96

Geometric mean (if not pH dependent)

Soils with pH (water) > 6.5

Soils with pH (water) ≤ 6.5

8.92

32.2

Arithmetic mean (if not pH dependent)

Soils with pH (water) > 6.5

Soils with pH (water) ≤ 6.5

1.01

0.952

pH dependence Yes
Metabolite 505M09 (BF 505–8)
Soil Type OC (%) pHCaCl2 (pHH2O) Kd (mL/g) Kdoc (mL/g) KF (mL/g) KFoc (mL/g) 1/n
Indirect method
Sand/loamy sand (Lufa 2.2) 2.5 5.8 (6.4)(a) 1.111 44.4 0.92
Loamy sand (Bruch West) 1.5 7.5 (8)(a) 0.135 9.0 0.81
Loamy sand (Li35b) 1.1 6.5 (7)(a) 0.142 12.9 0.812
Silty loamy sand (USA 538‐31‐2) 0.5 5.2 (5.8)(a) 0.595 119.0 0.892
Direct method
Silt loam (Niersw. Wild.) 1.9 5.7 (6.5) 1.170 63.22 0.95
Loam (Fiorentino) 1.0 7.4 (8.2) 0.200 20.37 0.94
Loamy sand (Li 10) 1.0 6.2 (6.9) 0.180 19.07 0.96
Sand (Lufa 2.1) 0.6 5.6 (6.5) 0.280 45.85 1.00
Sandy loam (Lufa 2.3) 0.99 6.7 (7.4) 0.160 16.56 0.92
Direct method
Sand (Lufa 2.1) 0.72 5.6 (6.2) 0.470 65.217 0.973
Sandy loam (Lufa 2.3) 0.66 5.3 (6.3) 0.165 24.988 0.938
Loamy sand (Li 10) 0.89 6.1 (6.9) 0.235 26.387 0.955
Silt loam (Niersw. Wild.) 2.01 5.6 (6.2) 0.682 33.923 0.943
Loam (PioggioRenatico) 0.82 7.5 (8.3) 0.195 23.750 0.921

Geometric mean (if not pH dependent)

Soils with pH (water) > 6.5

Soils with pH (water) ≤ 6.5

17.32

50.58

Arithmetic mean (if not pH dependent)

Soils with pH (water) > 6.5

Soils with pH (water) ≤ 6.5

0.903

0.945

pH dependence Yes
(a)

Estimated as proposed by FOCUS (2000, 2014) pH water = 0.953*pH‐CaCl2 + 0.85.