配合物稳定常数

金属-无机配位体配合物的稳定常数（25℃）Stability Constants of Metal Ion-Inorganic Coordination Compounds

序号(No.)

配位体

(Ligand)

金属离子

(Metal

ion)

配位体数目n

(Number of

ligand)

lgβn

1 NH3Ag+ 1,

2 3.24,7.05

Au3+ 4 10.3

Cd2+1,2,3,4,5,6 2.65,4.75,6.19,7.12,6.80,5.14

Co2+1,2,3,4,5,6 2.11,3.74,4.79,5.55,5.73,5.11

Co3+1,2,3,4,5,6 6.7,14.0,20.1,25.7,30.8,35.2

Cu+1,2 5.93,10.86

Cu2+ 1,2,3,4,5 4.31,7.98,11.02,13.32,12.86

Fe2+1,2 1.4,2.2

Hg2+1,2,3,4 8.8,17.5,18.5,19.28

Mn2+1,2 0.8,1.3

Ni2+1,2,3,4,5,6 2.80,5.04,6.77,7.96,8.71,8.74

Pd2+1,2,3,4 9.6,18.5,26.0,32.8

Pt2+ 6 35.3

Zn2+1,2,3,4 2.37,4.81,7.31,9.46

2 Br-Ag+1,2,3,4 4.38,7.33,8.00,8.73

Bi3+1,2,3,4,5,6 2.37,4.20,5.90,7.30,8.20,8.30

Cd2+1,2,3,4 1.75,2.34,3.32,3.70,

Ce3+ 1 0.42

Cu+ 2 5.89

Cu2+ 1 0.30

Hg2+1,2,3,4 9.05,17.32,19.74,21.00

In3+1,2 1.30,1.88

Pb2+1,2,3,4 1.77,2.60,3.00,2.30

Pd2+1,2,3,4 5.17,9.42,12.70,14.90

Rh3+2,3,4,5,6 14.3,16.3,17.6,18.4,17.2

Sc3+1,2 2.08,3.08

Sn2+1,2,3 1.11,1.81,1.46

Tl3+1,2,3,4,5,6 9.7,16.6,21.2,23.9,29.2,31.6

U4+ 1 0.18

Y3+ 1 1.32

3 Cl-Ag+1,2,

4 3.04,5.04,5.30

Bi3+1,2,3,4 2.44,4.7,5.0,5.6

Cd2+1,2,3,4 1.95,2.50,2.60,2.80

Co3+ 1 1.42

Cu+2,3 5.5,5.7

Cu2+1,2 0.1, -0.6

Fe2+ 1 1.17

Fe3+ 2 9.8

Hg2+1,2,3,4 6.74,13.22,14.07,15.07

In3+1,2,3,4 1.62,2.44,1.70,1.60

Pb2+1,2,3 1.42,2.23,3.23

Pd2+1,2,3,4 6.1,10.7,13.1,15.7

Pt2+2,3,4 11.5,14.5,16.0

Sb3+1,2,3,4 2.26,3.49,4.18,4.72

Sn2+1,2,3,4 1.51,2.24,2.03,1.48

Tl3+1,2,3,4 8.14,13.60,15.78,18.00

Th4+1,2 1.38,0.38

Zn2+1,2,3,4 0.43,0.61,0.53,0.20

Zr4+1,2,3,4 0.9,1.3,1.5,1.2

4 CN-Ag+2,3,4 21.1,21.7,20.6

Au+ 2 38.3

Cd2+1,2,3,4 5.48,10.60,15.23,18.78

Cu+2,3,4 24.0,28.59,30.30

Fe2+ 6 35.0

Fe3+ 6 42.0

Hg2+ 4 41.4

Ni2+ 4 31.3

Zn2+1,2,3,4 5.3,11.70,16.70,21.60

5 F-Al3+1,2,3,4,5,

6 6.11,11.12,15.00,18.00,19.40,19.80

Be2+1,2,3,4 4.99,8.80,11.60,13.10

Bi3+ 1 1.42

Co2+ 1 0.4

Cr3+1,2,3 4.36,8.70,11.20

Cu2+ 1 0.9

Fe2+ 1 0.8

Fe3+1,2,3,5 5.28,9.30,12.06,15.77

Ga3+1,2,3 4.49,8.00,10.50

Hf4+1,2,3,4,5,6 9.0,16.5,23.1,28.8,34.0,38.0

Hg2+ 1 1.03

In3+1,2,3,4 3.70,6.40,8.60,9.80

Mg2+ 1 1.30

Mn2+ 1 5.48

Ni2+ 1 0.50

Pb2+1,2 1.44,2.54

Sb3+1,2,3,4 3.0,5.7,8.3,10.9

Sn2+1,2,3 4.08,6.68,9.50

Th4+1,2,3,4 8.44,15.08,19.80,23.20

TiO2+1,2,3,4 5.4,9.8,13.7,18.0

Zn2+ 1 0.78

Zr4+1,2,3,4,5,6 9.4,17.2,23.7,29.5,33.5,38.3 6 I-Ag+1,2,3 6.58,11.74,13.68

Bi3+1,4,5,6 3.63,14.95,16.80,18.80

Cd2+1,2,3,4 2.10,3.43,4.49,5.41

Cu+ 2 8.85

Fe3+ 1 1.88

Hg2+1,2,3,4 12.87,23.82,27.60,29.83

Pb2+1,2,3,4 2.00,3.15,3.92,4.47

Pd2+ 4 24.5

Tl+1,2,3 0.72,0.90,1.08

Tl3+1,2,3,4 11.41,20.88,27.60,31.82 7 OH-Ag+1,2 2.0,3.99

Al3+1,4 9.27,33.03

As3+1,2,3,4 14.33,18.73,20.60,21.20

Be2+1,2,3 9.7,14.0,15.2

Bi3+1,2,4 12.7,15.8,35.2

Ca2+ 1 1.3

Cd2+1,2,3,4 4.17,8.33,9.02,8.62

Ce3+ 1 4.6

Ce4+1,2 13.28,26.46

Co2+1,2,3,4 4.3,8.4,9.7,10.2

Cr3+1,2,4 10.1,17.8,29.9

Cu2+1,2,3,4 7.0,13.68,17.00,18.5

Fe2+1,2,3,4 5.56,9.77,9.67,8.58

Fe3+1,2,3 11.87,21.17,29.67

Hg2+1,2,3 10.6,21.8,20.9

In3+1,2,3,4 10.0,20.2,29.6,38.9

Mg2+ 1 2.58

Mn2+1,3 3.9,8.3

Ni2+1,2,3 4.97,8.55,11.33

Pa4+1,2,3,4 14.04,27.84,40.7,51.4

Pb2+1,2,3 7.82,10.85,14.58

Pd2+1,2 13.0,25.8

Sb3+2,3,4 24.3,36.7,38.3

Sc3+ 1 8.9

Sn2+ 1 10.4

Th3+1,2 12.86,25.37

Ti3+ 1 12.71

Zn2+1,2,3,4 4.40,11.30,14.14,17.66

Zr4+1,2,3,4 14.3,28.3,41.9,55.3 8 NO3-Ba2+ 1 0.92

Bi3+ 1 1.26

Ca2+ 1 0.28

Cd2+ 1 0.40

Fe3+ 1 1.0

Hg2+ 1 0.35

Pb2+ 1 1.18

Tl+ 1 0.33

Tl3+ 1 0.92

9 P2O74-Ba2+ 1 4.6

Ca2+ 1 4.6

Cd3+ 1 5.6

Co2+ 1 6.1

Cu2+1,2 6.7,9.0

Hg2+ 2 12.38

Mg2+ 1 5.7

Ni2+1,2 5.8,7.4

Pb2+1,2 7.3,10.15

Zn2+1,2 8.7,11.0

10 SCN-Ag+1,2,3,4 4.6,7.57,9.08,10.08

Bi3+1,2,3,4,5,6 1.67,3.00,4.00,4.80,5.50,6.10

Cd2+1,2,3,4 1.39,1.98,2.58,3.6

Cr3+1,2 1.87,2.98

Cu+1,2 12.11,5.18

Cu2+1,2 1.90,3.00

Fe3+1,2,3,4,5,6 2.21,3.64,5.00,6.30,6.20,6.10

Hg2+1,2,3,4 9.08,16.86,19.70,21.70

Ni2+1,2,3 1.18,1.64,1.81

Pb2+1,2,3 0.78,0.99,1.00

Sn2+1,2,3 1.17,1.77,1.74

Th4+1,2 1.08,1.78

Zn2+1,2,3,4 1.33,1.91,2.00,1.60

11 S2O32-Ag+1,2 8.82,13.46

Cd2+1,2 3.92,6.44

Cu+1,2,3 10.27,12.22,13.84

Fe3+ 1 2.10

Hg2+2,3,4 29.44,31.90,33.24

Pb2+2,3 5.13,6.35

12 SO42-Ag+ 1 1.3

Ba2+ 1 2.7

Bi3+1,2,3,4,5 1.98,3.41,4.08,4.34,4.60

Fe3+1,2 4.04,5.38

Hg2+1,2 1.34,2.40

In3+1,2,3 1.78,1.88,2.36

Ni2+ 1 2.4

Pb2+ 1 2.75

Pr3+1,2 3.62,4.92

Th4+1,2 3.32,5.50

Zr4+1,2,3 3.79,6.64,7.77 金属-有机配位体配合物的稳定常数（25℃）

（表中离子强度都是在有限的范围内，I≈0。）

Stability Constants of Metal Ion-Organic Coordination Compounds

序号(No.) 配位体(Ligand) 金属离子

(Metal ion)

配位体

数目n

(Number

of

ligand)

lgβn

1 乙二胺四乙酸

(EDTA)

[(HOOCCH2)2NCH2]2

Ag+ 1 7.32 Al3+ 1 16.11 Ba2+ 1 7.78 Be2+ 1 9.3 Bi3+ 1 22.8 Ca2+ 1 11.0 Cd2+ 1 16.4 Co2+ 1 16.31 Co3+ 1 36.0 Cr3+ 1 23.0 Cu2+ 1 18.7 Fe2+ 1 14.83 Fe3+ 1 24.23 Ga3+ 1 20.25 Hg2+ 1 21.80 In3+ 1 24.95 Li+ 1 2.79 Mg2+ 1 8.64 Mn2+ 1 13.8 Mo(V) 1 6.36

Na+ 1 1.66 Ni2+ 1 18.56 Pb2+ 1 18.3 Pd2+ 1 18.5 Sc2+ 1 23.1 Sn2+ 1 22.1 Sr2+ 1 8.80 Th4+ 1 23.2 TiO2+ 1 17.3 Tl3+ 1 22.5 U4+ 1 17.50 VO2+ 1 18.0 Y3+ 1 18.32 Zn2+ 1 16.4

Zr4+ 1 19.4

2 乙酸

(Acetic acid)

CH3COOH

Ag+1,2 0.73,0.64

Ba2+ 1 0.41

Ca2+ 1 0.6

Cd2+1,2,3 1.5,2.3,2.4

Ce3+1,2,3,4 1.68,2.69,3.13,3.18 Co2+1,2 1.5,1.9

Cr3+1,2,3 4.63,7.08,9.60 Cu2+(20℃) 1,2 2.16,3.20 In3+1,2,3,4 3.50,5.95,7.90,9.08

Ni2+1,2 1.12,1.81

Pb2+1,2,3,4 2.52,4.0,6.4,8.5 Sn2+1,2,3 3.3,6.0,7.3

Tl3+1,2,3,4 6.17,11.28,15.10,18.3 Zn2+ 1 1.5

3 乙酰丙酮

(Acetyl acetone)

CH3COCH2CH3Al3+(30℃) 1,2 8.6,15.5 Cd2+1,2 3.84,6.66

Co2+1,2 5.40,9.54

Cr2+1,2 5.96,11.7

Cu2+1,2 8.27,16.34

Fe2+1,2 5.07,8.67

Fe3+1,2,3 11.4,22.1,26.7

Hg2+ 2 21.5

Mg2+1,2 3.65,6.27

Mn2+1,2 4.24,7.35

Mn3+ 3 3.86

Ni2+(20℃) 1,2,3 6.06,10.77,13.09 Pb2+ 2 6.32

Pd2+(30℃) 1,2 16.2,27.1 Th4+1,2,3,4 8.8,16.2,22.5,26.7 Ti3+1,2,3 10.43,18.82,24.90 V2+1,2,3 5.4,10.2,14.7 Zn2+(30℃) 1,2 4.98,8.81 Zr4+1,2,3,4 8.4,16.0,23.2,30.1

4 草酸

(Oxalic acid)

HOOCCOOH Ag+ 1 2.41

Al3+1,2,3 7.26,13.0,16.3 Ba2+ 1 2.31

Ca2+ 1 3.0

Cd2+1,2 3.52,5.77 Co2+1,2,3 4.79,6.7,9.7 Cu2+1,2 6.23,10.27 Fe2+1,2,3 2.9,4.52,5.22 Fe3+1,2,3 9.4,16.2,20.2 Hg2+ 1 9.66

Mg2+1,2 3.43,4.38

Mn2+1,2 3.97,5.80

Mn3+1,2,3 9.98,16.57,19.42 Ni2+1,2,3 5.3,7.64,～8.5

Pb2+1,2 4.91,6.76

Sc3+1,2,3,4 6.86,11.31,14.32,16.70 Th4+ 4 24.48

Zn2+1,2,3 4.89,7.60,8.15

Zr4+1,2,3,4 9.80,17.14,20.86,21.15

5 乳酸

(Lactic acid)

CH3CHOHCOOH Ba2+ 1 0.64 Ca2+ 1 1.42 Cd2+ 1 1.70 Co2+ 1 1.90 Cu2+1,2 3.02,4.85 Fe3+ 1 7.1 Mg2+ 1 1.37 Mn2+ 1 1.43 Ni2+ 1 2.22 Pb2+1,2 2.40,3.80 Sc2+ 1 5.2 Th4+ 1 5.5 Zn2+1,2 2.20,3.75

6 水杨酸

(Salicylic acid)

C6H4(OH)COOH

Al3+ 1 14.11

Cd2+ 1 5.55

Co2+1,2 6.72,11.42

Cr2+1,2 8.4,15.3

Cu2+1,2 10.60,18.45

Fe2+1,2 6.55,11.25

Mn2+1,2 5.90,9.80

Ni2+1,2 6.95,11.75

Th4+1,2,3,4 4.25,7.60,10.05,11.60 TiO2+ 1 6.09

V2+ 1 6.3

Zn2+ 1 6.85

7 磺基水杨酸

(5-sulfosalicylic Al3+(0.1mol/L) 1,2,3 13.20,22.83,28.89 Be2+(0.1mol/L) 1,2 11.71,20.81

acid)

HO3SC6H3(OH)COOH Cd2+(0.1mol/L) 1,2 16.68,29.08 Co2+(0.1mol/L) 1,2 6.13,9.82

Cr3+(0.1mol/L) 1 9.56

Cu2+(0.1mol/L) 1,2 9.52,16.45 Fe2+(0.1mol/L) 1,2 5.9,9.9

Fe3+(0.1mol/L) 1,2,3 14.64,25.18,32.12 Mn2+(0.1mol/L) 1,2 5.24,8.24

Ni2+(0.1mol/L) 1,2 6.42,10.24 Zn2+(0.1mol/L) 1,2 6.05,10.65

8 酒石酸

(Tartaric acid)

(HOOCCHOH)2Ba2+ 2 1.62

Bi3+ 3 8.30

Ca2+1,2 2.98,9.01

Cd2+ 1 2.8

Co2+ 1 2.1

Cu2+1,2,3,4 3.2,5.11,4.78,6.51 Fe3+ 1 7.49

Hg2+ 1 7.0

Mg2+ 2 1.36

Mn2+ 1 2.49

Ni2+ 1 2.06

Pb2+1,3 3.78,4.7

Sn2+ 1 5.2

Zn2+1,2 2.68,8.32

9 丁二酸

(Butanedioic acid)

HOOCCH2CH2COOH Ba2+ 1 2.08 Be2+ 1 3.08 Ca2+ 1 2.0 Cd2+ 1 2.2 Co2+ 1 2.22 Cu2+ 1 3.33 Fe3+ 1 7.49 Hg2+ 2 7.28 Mg2+ 1 1.20 Mn2+ 1 2.26 Ni2+ 1 2.36 Pb2+ 1 2.8 Zn2+ 1 1.6

10 硫脲

(Thiourea)

H2NC(═S)NH2Ag+1,2 7.4,13.1

Bi3+ 6 11.9

Cd2+1,2,3,4 0.6,1.6,2.6,4.6 Cu+3,4 13.0,15.4 Hg2+2,3,4 22.1,24.7,26.8 Pb2+1,2,3,4 1.4,3.1,4.7,8.3

11 乙二胺

(Ethyoenediamine)

H2NCH2CH2NH2

Ag+1,2 4.70,7.70 Cd2+(20℃) 1,2,3 5.47,10.09,12.09 Co2+1,2,3 5.91,10.64,13.94 Co3+1,2,3 18.7,34.9,48.69 Cr2+1,2 5.15,9.19

Cu+ 2 10.8

Cu2+1,2,3 10.67,20.0,21.0 Fe2+1,2,3 4.34,7.65,9.70 Hg2+1,2 14.3,23.3

Mg2+ 1 0.37

Mn2+1,2,3 2.73,4.79,5.67 Ni2+1,2,3 7.52,13.84,18.33 Pd2+ 2 26.90

V2+1,2 4.6,7.5

Zn2+1,2,3 5.77,10.83,14.11

12 吡啶

(Pyridine)

C5H5N Ag+1,2 1.97,4.35

Cd2+1,2,3,4 1.40,1.95,2.27,2.50 Co2+1,2 1.14,1.54

Cu2+1,2,3,4 2.59,4.33,5.93,6.54 Fe2+ 1 0.71

Hg2+1,2,3 5.1,10.0,10.4 Mn2+1,2,3,4 1.92,2.77,3.37,3.50 Zn2+1,2,3,4 1.41,1.11,1.61,1.93

13 甘氨酸

(Glycin)

H2NCH2COOH

Ag+1,2 3.41,6.89

Ba2+ 1 0.77

Ca2+ 1 1.38

Cd2+1,2 4.74,8.60

Co2+1,2,3 5.23,9.25,10.76 Cu2+1,2,3 8.60,15.54,16.27 Fe2+(20℃) 1,2 4.3,7.8

Hg2+1,2 10.3,19.2 Mg2+1,2 3.44,6.46 Mn2+1,2 3.6,6.6

Ni2+1,2,3 6.18,11.14,15.0 Pb2+1,2 5.47,8.92 Pd2+1,2 9.12,17.55 Zn2+1,2 5.52,9.96

14 2-甲基-8-羟基喹啉

(50%二噁烷)

(8-Hydroxy-2-methyl

quinoline)

Cd2+1,2,3 9.00,9.00,16.60 Ce3+ 1 7.71

Co2+1,2 9.63,18.50 Cu2+1,2 12.48,24.00 Fe2+1,2 8.75,17.10 Mg2+1,2 5.24,9.64 Mn2+1,2 7.44,13.99 Ni2+1,2 9.41,17.76 Pb2+1,2 10.30,18.50 UO22+1,2 9.4,17.0 Zn2+1,2 9.82,18.72

EDTA的lgαY(H)值

lgαY(H) Values of EDTA

pH lgαY(H)pH lgαY(H)pH lgαY(H)pH lgαY(H)pH lgαY(H) 0.0 23.64 2.5 11.90 5.0 6.45 7.5 2.78 10.0 0.45 0.1 23.06 2.6 11.62 5.1 6.26 7.6 2.68 10.1 0.39 0.2 22.47 2.7 11.35 5.2 6.07 7.7 2.57 10.2 0.33 0.3 21.89 2.8 11.09 5.3 5.88 7.8 2.47 10.3 0.28 0.4 21.32 2.9 10.84 5.4 5.69 7.9 2.37 10.4 0.24 0.5 20.75 3.0 10.60 5.5 5.51 8.0 2.27 10.5 0.20 0.6 20.18 3.1 10.37 5.6 5.33 8.1 2.17 10.6 0.16 0.7 19.62 3.2 10.14 5.7 5.15 8.2 2.07 10.7 0.13 0.8 19.08 3.3 9.92 5.8 4.98 8.3 1.97 10.8 0.11

0.9 18.54 3.4 9.70 5.9 4.81 8.4 1.87 10.9 0.09

1.0 18.01 3.5 9.48 6.0 4.65 8.5 1.77 11.0 0.07 1.1 17.49 3.6 9.27 6.1 4.49 8.6 1.67 11.1 0.06 1.2 16.98 3.7 9.06 6.2 4.34 8.7 1.57 11.2 0.05 1.3 16.49 3.8 8.85 6.3 4.20 8.8 1.48 11.3 0.04 1.4 16.02 3.9 8.65 6.4 4.06 8.9 1.38 11.4 0.03 1.5 15.55 4.0 8.44 6.5 3.92 9.0 1.28 11.5 0.02 1.6 15.11 4.1 8.24 6.6 3.79 9.1 1.19 11.6 0.02

1.7 14.68 4.2 8.04 6.7 3.67 9.2 1.10 11.7 0.02 1.8 14.27 4.3 7.84 6.8 3.55 9.3 1.01 11.8 0.01

1.9 13.88 4.4 7.64 6.9 3.43 9.4 0.92 11.9 0.01

2.0 1

3.51

4.5 7.44 7.0 3.32 9.5 0.83 12.0 0.01 2.1 13.16 4.6 7.24 7.1 3.21 9.6 0.75 12.1 0.01 2.2 12.82 4.7 7.04 7.2 3.10 9.7 0.67 12.2 0.005 2.3 12.50 4.8 6.84 7.3 2.99 9.8 0.59 13.0 0.0008 2.4 12.19 4.9 6.65 7.4 2.88 9.9 0.52 13.9 0.0001