Material

pH^a

log K_f

1/n

r^2b

Sorption^c

Desorption^c

Net sorption^c

%

Biochar

8.6 ± 0.2

6.79

1.79

0.978

99

0

99

Tire Chips

6.4 ± 0.1

0.19

1.14

0.950

42

21

21

Limestone

7.7 ± 0.1

-0.69

1.34

0.953

6.7

0.4

6.3

Steel slag

9.6 ± 0.1

-0.85

0.98

0.830

0.6

0.3

0.3