System

Method

log K₁

log K₂

Ref.

Succinic acid

Computer FORTRAN method

5.634

4.200

[24]

BHCM (ñ < 1)

5.643 ± 0.008

4.183

This paper

BHCM (ñ > 1)

5.634

4.199 ± 0.002

This paper

Cu(II)-Glycine

Successive approximation method

8.16

6.73

[18]

Correction term method

8.13

6.78

[18]

Least squares treatment

8,12

6.77

[18]

BHCM (ñ < 1)

8.143 ± 0.009

6.772

This paper

BCHM (ñ > 1)

8.177

6.672 ± 0.005

This paper

Ag(I)-4-aminobutan-1-ol

Weighted least squares method

3.41

3.89

[30]

Computer FORTRAN technique

3.41

3.89

[31]

BCHM (ñ < 1)

3.416 ± 0.002

3.896

This paper

BCHM (ñ > 1)

3.495

3.818 ± 0.007

This paper