Stability Constants of Mixed Ligand Complexes of Nickel(II) with Adenine and Some Amino Acids
Table 3
The stability constants and parameters of ternary (mixed NiAB) complexes at 25.0 ± 0.1°C, = 0.1 mol·L−1 KNO3. % RS is the percentage relative stabilization value, as explained in (12).
% R.S
Ni(II):Ade(A):L-Asp(B)
17.01 ± 0.06
10.35
8.87
2.21
0.96
27.14
Ni(II):Ade(A):L-Glu(B)
15.57 ± 0.06
8.91
10.23
3.574
0.93
66.85
Ni(II):Ade(A):L-Asn(B)
18.80 ± 0.03
12.14
10.78
4.12
0.85
51.37
Ni(II):Ade(A):L-Leu(B)
16.01 ± 0.05
9.35
10.48
3.82
0.90
69.07
Ni(II):Ade(A):L-Phe(B)
15.43 ± 0.04
8.77
6.52
−0.14
0.93
−1.57
Ni(II):Ade(A):L-Tryp(B)
16.06 ± 0.02
9.40
10.61
3.95
1.01
72.48
Uncertainties are expressed as ± one standard deviation.