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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
Lithium formate with Strontium formate and Water
Components:
(1) Lithium formate; LiCHO2; [556-63-8]
NIST Chemistry WebBook
for detail
(2) Strontium formate; Sr(CHO2)2; [592-89-2]
NIST Chemistry WebBook
for detail
(3) Water; H2O; [7732-18-5]
NIST Chemistry WebBook
for detail
Original Measurements:
Itkina, L.S.; Portnova, S.M.; Karahanyan, S.A., Zh. Neorg. Khim. 24, 264 (1979).
Variables:
Concentration = Composition at 25 ºC
Prepared By:
Chr. Balarew and St. Trendafilova
Experimental Remarks:
The molality values were calculated by the compilers.
Experimental Data:
(Notes on the Nomenclature)
(Please see footnotes following the table(s).)
Solubility values in the LiCHO
2
-Sr(CHO
2
)
2
-H
2
O system at 25 °C.
Chemical
1
Phase
Mass Fraction w
1
m
1
[mol kg-1]
Chemical
2
Mass Fraction w
2
m
2
[mol kg-1]
Solid Phase(s)
a
LiCHO2
Liquid
27.99
7.48
Sr(CHO2)2
---
---
A
LiCHO2
Liquid
28.75
7.78
Sr(CHO2)2
0.12
0.009
A
LiCHO2
Liquid
28.35
7.65
Sr(CHO2)2
0.30
0.024
A
LiCHO2
Liquid
27.41
7.39
Sr(CHO2)2
1.15
0.024
A+B
LiCHO2
Liquid
27.52
7.41
Sr(CHO2)2
0.87
0.076
A+B
LiCHO2
Liquid
25.07
6.52
Sr(CHO2)2
0.91
0.069
B
LiCHO2
Liquid
18.38
4.41
Sr(CHO2)2
1.46
0.102
B
LiCHO2
Liquid
18.18
4.35
Sr(CHO2)2
1.44
0.100
B
LiCHO2
Liquid
10.08
2.24
Sr(CHO2)2
3.62
0.236
B
LiCHO2
Liquid
4.72
1.03
Sr(CHO2)2
7.00
0.446
B
LiCHO2
Liquid
---
---
Sr(CHO2)2
10.91
0.689
B
Notes:
a
The solid phases are: A = LiCHO
2
•H
2
O; B = Sr(CHO
2
)
2
•2H
2
O.
Method/Apparatus/Procedure:
The isothermal method was used. Three weeks were allowed for equilibration. The lithium content of both phases was determined by flame photometry.
1
The strontium content was determined by EDTA titration at
p
H 10, using Eriochrome Black T as indicator. The composition of the solid phases was determined by Schreinemakers' method.
Source and Purity of Materials:
No information is given.
Estimated Errors:
Temperature: No information is given.
References:
1
N. S. Poluektov, N.S.;
Methods of Flame-Photometrical Analysis
(Russ.), Moscow, Goskhimizdat, p. 132 (1959).