Table 3 Results from K-edge EXAFS fitting of Zn(II) samples (see Figure 6 for corresponding EXAFS spectra and Fourier transforms)

1.0 M

Adsorbed

3.6 ± 0.5

1.98 ± 0.01

0.9 ± 0.4

3.18 ± 0.05

0.5 ± 0.3

3.39 ± 0.05

0.0027

1.0 M

0.1 M Cl ⁻

5.2 ± 1.0

2.01 ± 0.01

0.8 ± 0.4

2.99 ± 0.06

1.4 ± 0.5

3.46 ± 0.04

0.0045

1.0 M

0.6 M Cl ⁻

5.4 ± 0.8

2.02 ± 0.01

1.8 ± 0.5

2.99 ± 0.05

1.6 ± 0.5

3.05 ± 0.05

0.0024

75°C

Adsorbed

3.6 ± 0.4

1.98 ± 0.01

0.9 ± 0.3

3.16 ± 0.03

0.4 ± 0.2

3.42 ± 0.04

0.0014

75°C

0.1 M Cl ⁻

5.2 ± 0.9

2.03 ± 0.01

0.7 ± 0.3

2.95 ± 0.05

0.5 ± 0.4

3.45 ± 0.07

0.0039

75°C

0.6 M Cl ⁻

5.2 ± 0.8

2.04 ± 0.01

1.3 ± 0.5

3.01 ± 0.06

0.9 ± 0.5

3.07 ± 0.07

0.0032

pH 10

Adsorbed

3.7 ± 0.3

1.98 ± 0.01

1.0 ± 0.3

3.18 ± 0.03

0.6 ± 0.3

3.39 ± 0.05

0.0012

pH 10

0.1 M Cl ⁻

6.1 ± 1.2

2.02 ± 0.02

1.0 ± 0.4

2.97 ± 0.05

1.1 ± 0.5

3.45 ± 0.04

0.0041

pH 10

0.6 M Cl ⁻

5.5 ± 0.6

2.03 ± 0.01

1.8 ± 0.4

2.99 ± 0.04

1.7 ± 0.4

3.05 ± 0.03

0.0015