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Table 3 Summary of \(\overline{{\text{n}}}\) data for La3+ complexes with phenylglycine at different ionic strengths and different temperatures

From: Thermodynamic parameters of phenylglycine interaction with UO22+, La3+ and Zr4+

Temp. °C

μ

pH

\({\overline{\text{n}}}\)

[H2L+]

[HL]

[L]

25

0.05

4.60

0.02

2.39 × 10–4

4.76 × 10–4

6.49 × 10–9

8.09

0.14

6.06 × 10–8

9.13 × 10–4

9.11 × 10–5

9.75

0.42

3.52 × 10–9

1.12 × 10–3

1.93 × 10–3

9.79

0.52

1.67 × 10–9

1.01 × 10–3

2.07 × 10–3

10.25

0.55

1.75 × 10–9

1.06 × 10–3

2.17 × 10–3

0.10

6.00

0.11

4.76 × 10–8

7.16 × 10–4

3.57 × 10–8

8.40

0.15

6.49 × 10–8

9.78 × 10–4

9.76 × 10–5

9.69

0.41

3.47 × 10–9

9.99 × 10–4

1.90 × 10–3

9.73

0.51

3.24 × 10–9

9.98 × 10–4

2.05 × 10–3

10.22

0.54

3.41 × 10–9

1.05 × 10–3

2.16 × 10–3

0.15

7.30

0.03

3.27 × 10–8

7.36 × 10–4

9.74 × 10–9

8.65

0.04

3.25 × 10–8

9.82 × 10–4

1.96 × 10–4

9.63

0.41

3.44 × 10–9

9.92 × 10–4

1.89 × 10–3

9.66

0.51

3.21 × 10–9

9.91 × 10–4

2.03 × 10–3

10.14

0.53

3.37 × 10–9

1.04 × 10–3

2.13 × 10–3

35

0.05

4.48

0.05

2.51 × 10–4

4.43 × 10–4

5.77 × 10–9

8.05

0.49

1.48 × 10–7

9.73 × 10–4

4.71 × 10–5

8.51

0.60

5.15 × 10–8

9.74 × 10–4

1.36 × 10–4

9.09

0.96

1.46 × 10–8

9.82 × 10–4

4.86 × 10–4

9.15

1.08

1.19 × 10–8

9.84 × 10–4

6.00 × 10–4

0.10

7.76

0.22

2.32 × 10–7

9.77 × 10–4

2.66 × 10–5

8.26

0.41

7.33 × 10–8

9.76 × 10–4

8.39 × 10–5

8.60

0.55

3.35 × 10–8

9.77 × 10–4

1.84 × 10–4

9.16

1.00

9.33 × 10–9

9.87 × 10–4

6.74 × 10–4

9.23

1.11

7.96 × 10–9

9.89 × 10–4

7.94 × 10–4

0.15

8.00

0.19

9.53 × 10–8

9.78 × 10–4

5.25 × 10–5

8.69

0.47

1.95 × 10–8

9.80 × 10–4

2.58 × 10–4

8.87

0.57

1.29 × 10–8

9.82 × 10–4

3.91 × 10–4

9.23

0.99

5.68 × 10–9

9.91 × 10–4

9.04 × 10–4

9.28

1.11

5.07 × 10–9

9.92 × 10–4

1.02 × 10–3

45

0.05

4.33

0.07

2.60 × 10–4

4.09 × 10–4

3.90 × 10–9

7.34

0.49

6.01 × 10–7

9.71 × 10–4

9.46 × 10–5

7.90

0.71

1.66 × 10–7

9.70 × 10–4

3.43 × 10–4

8.25

0.91

7.39 × 10–8

9.70 × 10–4

7.68 × 10–4

8.46

1.11

4.56 × 10–8

9.71 × 10–4

1.25 × 10–3

0.10

6.50

0.02

3.42 × 10–6

9.73 × 10–4

1.47 × 10–6

7.64

0.48

2.48 × 10–7

9.73 × 10–4

2.02 × 10–5

8.10

0.68

8.59 × 10–8

9.73 × 10–4

5.84 × 10–5

8.39

0.87

4.41 × 10–8

9.74 × 10–4

1.14 × 10–4

8.57

1.05

2.92 × 10–8

9.76 × 10–4

1.73 × 10–4

0.15

7.39

0.24

3.87 × 10–7

9.76 × 10–4

1.29 × 10–5

7.92

0.45

1.14 × 10–7

9.75 × 10–4

4.36 × 10–5

8.32

0.63

4.56 × 10–8

9.77 × 10–4

1.10 × 10–4

8.66

0.97

2.09 × 10–8

9.81 × 10–4

2.41 × 10–4

8.76

1.15

1.66 × 10–8

9.83 × 10–4

3.04 × 10–4