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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
Lithium formate with Sodium formate, Potassium formate, Cadmium formate and Water
Components:
(1) Potassium formate; KCHO2; [590-29-4]
NIST Chemistry WebBook
for detail
(2) Cadmium formate; Cd(CHO2)2; [4464-23-7]
NIST Chemistry WebBook
for detail
(3) Lithium formate; LiCHO2; [556-63-8]
NIST Chemistry WebBook
for detail
(4) Sodium formate; NaCHO2; [141-53-7]
NIST Chemistry WebBook
for detail
(5) Water; H2O; [7732-18-5]
NIST Chemistry WebBook
for detail
Original Measurements:
Itkina, L.S.; Nadzharyan, K.A., Zh. Neorg. Khim. 26, 2231 (1981).
Variables:
Concentration = Composition and temperature
Prepared By:
Chr. Balarew and St. Trendafilova
Experimental Data:
(Notes on the Nomenclature)
(Please see footnotes following the table(s).)
Table 1. Phase diagrams are given for ternary systems: LiCHO
2
-Cd(CHO
2
)2-H2O; NaCHO
2
-Cd(CHO
2
)2-H2O; KCHO
2
-Cd(CHO
2
)2-H2O at 25 and 50 °C. The only numerical data given are listed below.
t/°C
Chemical
1
Phase
Mass Fraction w
1
a
10
0
* Mole Fraction
1
m
1
[mol kg-1]
Chemical
2
Mass Fraction w
2
a
Mole Fraction
2
m
2
[mol kg-1]
Solid Phase(s)
b
25
Cd(CHO2)2
Liquid
16.26
2.09
1.353
LiCHO2
24.40
12.22
7.914
A+B
50
Cd(CHO2)2
Liquid
31.33
4.71
3.101
LiCHO2
18.76
10.99
7.234
C+D
Table 2. Phase diagrams are given for ternary systems: LiCHO
2
-Cd(CHO
2
)2-H2O; NaCHO
2
-Cd(CHO
2
)2-H2O; KCHO
2
-Cd(CHO
2
)2-H2O at 25 and 50 °C. The only numerical data given are listed below.
t/°C
Chemical
1
Phase
Mass Fraction w
1
a
10
0
* Mole Fraction
1
m
1
[mol kg-1]
Chemical
2
Mass Fraction w
2
a
Mole Fraction
2
m
2
[mol kg-1]
Solid Phase(s)
b
25
Cd(CHO2)2
Liquid
10.02
1.06
0.612
NaCHO2
9.12
2.87
1.66
A+E
50
Cd(CHO2)2
Liquid
24.81
3.09
1.825
NaCHO2
8.04
2.98
1.76
A+E
Table 3. Phase diagrams are given for ternary systems: LiCHO
2
-Cd(CHO
2
)2-H2O; NaCHO
2
-Cd(CHO
2
)2-H2O; KCHO
2
-Cd(CHO
2
)2-H2O at 25 and 50 °C. The only numerical data given are listed below.
t/°C
Chemical
1
Phase
Mass Fraction w
1
a
10
0
* Mole Fraction
1
m
1
[mol kg-1]
Chemical
2
Mass Fraction w
2
a
Mole Fraction
2
m
2
[mol kg-1]
Solid Phase(s)
b
25
Cd(CHO2)2
Liquid
24.42
3.60
2.256
KCHO2
22.12
7.85
4.920
A+F
50
Cd(CHO2)2
Liquid
41.94
7.90
5.237
KCHO2
18.50
8.39
5.560
A+F
Notes:
a
These values and the molality values, were calculated by the compilers.
b
The solid phases are: A = Cd(CHO
2
)
2
•2H
2
O; B = LiCHO
2
•H
2
O; C = Cd(CHO
2
)
2
; D = LiCd(CHO
2
)
3
; E = NaCd(CHO
2
O)
3
; F = KCd(CHO
2
)
3
.
Method/Apparatus/Procedure:
The isothermal method was used. The methods of analysis are not described. The composition of the solid phases was determined by Schreinemakers' method.
Source and Purity of Materials:
No information is given.
Estimated Errors:
Solubility: No information is given.
Temperature: No information is given.