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Table 3 Fitting parameters for semi-quantitative isotherms describing sorption of phytotoxins to montmorillonite

From: Phytotoxin sorption to clay minerals

ID

Freundlich fit (montmorillonite)

Linear fit (montmorillonite)

log KF

n

R2

log KL

R2

BIC

5.58 ± 0.31 (4)

1.70 ± 0.08

1.00

3.04 ± 0.13 (4)

0.97

BRU

2.84 ± 0.23 (6)

0.95 ± 0.06

0.98

3.03 ± 0.12 (6)

0.99

CEV

1.52 ± 0.22 (4)

0.87 ± 0.06

0.99

1.96 ± 0.01 (4)

0.99

COL

1.85 ± 0.06 (4)

0.93 ± 0.02

1.00

2.04 ± 0.01 (4)

1.00

CYT

2.07 ± 0.02 (4)

0.97 ± 0.01

1.00

2.13 ± 0.01 (4)

1.00

ECH

2.02 ± 0.44 (3)

0.99 ± 0.13

0.98

2.02 ± 0.04 (3)

0.98

ERU

2.66 ± 0.01 (8)

0.98 ± 0.00

1.00

2.72 ± 0.00 (8)

1.00

GAL

3.07 ± 0.03 (4)

1.03 ± 0.01

1.00

3.00 ± 0.20 (4)

1.00

GEL

2.29 ± 0.05 (4)

0.97 ± 0.02

1.00

2.38 ± 0.04 (4)

1.00

GRA

2.84 ± 0.20 (4)

1.33 ± 0.08

0.99

2.14 ± 0.34 (4)

0.97

HOR

5.09 ± 0.26 (4)

2.20 ± 0.10

1.00

2.41 ± 0.61 (4)

0.96

ISC

3.34 ± 0.37 (4)

1.09 ± 0.10

0.98

3.02 ± 0.12 (4)

0.99

LAS

2.55 ± 0.47 (6)

1.07 ± 0.14

0.94

2.30 ± 0.07 (6)

0.94

LYO

1.60 ± 0.00 (4)

1.01 ± 0.00

1.00

1.58 ± 0.01 (4)

1.00

MAT

2.49 ± 0.17 (3)

0.96 ± 0.05

1.00

2.59 ± 0.08 (3)

0.99

MON

1.59 ± 2.82 (3)

0.86 ± 1.02

0.42

1.91 ± 0.74 (3)

0.60

NIC

2.20 ± 0.06 (4)

0.93 ± 0.02

1.00

2.34 ± 0.30 (4)

1.00

NUC

4.07 ± 0.13 (8)

1.33 ± 0.04

1.00

3.01 ± 0.07 (8)

1.00

OLE

0.76 ± 0.16 (8)

0.81 ± 0.05

0.98

1.24 ± 0.01 (8)

0.99

PIL

2.09 ± 0.01 (3)

0.82 ± 0.00

1.00

2.58 ± 0.02 (3)

1.00

PRO

4.35 ± 0.28 (8)

1.33 ± 0.07

0.99

3.12 ± 0.19 (8)

0.90

QUI

2.67 ± 0.14 (8)

1.11 ± 0.04

0.99

2.38 ± 0.11 (8)

0.99

RET

2.64 ± 0.49 (3)

1.07 ± 0.13

0.98

2.45 ± 0.04 (3)

0.98

SEK

2.45 ± 0.01 (4)

0.98 ± 0.00

1.00

2.50 ± 0.00 (4)

1.00

SEN

2.84 ± 0.11 (4)

1.01 ± 0.03

1.00

2.82 ± 0.01 (4)

1.00

SOP

2.43 ± 0.03 (4)

0.97 ± 0.01

1.00

2.51 ± 0.04 (4)

1.00

STY

3.33 ± 0.04 (4)

1.10 ± 0.01

1.00

3.01 ± 0.09 (4)

1.00

VIN

2.62 ± 0.09 (4)

1.15 ± 0.03

1.00

2.16 ± 0.03 (4)

0.99

  1. KF [mmol1−n Ln kg−1] = Freundlich coefficient; n [−] = Freundlich exponent; R2 = correlation coefficient; KL [L kg−1] = linear coefficient; numbers in parentheses specify the number of individual dilutions with quantifiable sorption coefficient for each phytotoxin