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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
Lithium formate with Aluminum formate and Water
Components:
(1) Aluminum formate; Al(CHO2)3; [7360-53-4]
NIST Chemistry WebBook
for detail
(2) Lithium formate; LiCHO2; [556-63-8]
NIST Chemistry WebBook
for detail
(3) Water; H2O; [7732-18-5]
NIST Chemistry WebBook
for detail
Original Measurements:
Chaplygina, N.M.; Itkina, L.S., Zh. Neorg. Khim. 29, 2655-7 (1984); Russ. J. Inorg. Chem. (Engl. Transl.) 29, 1518-9 (1984).
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
-Al(CHO
2
)
3
-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
---
---
Al(CHO2)3
6.18
0.407
A
LiCHO2
Liquid
4.81
1.017
Al(CHO2)3
4.14
0.281
A
LiCHO2
Liquid
9.63
2.111
Al(CHO2)3
2.58
0.181
A
LiCHO2
Liquid
18.14
4.394
Al(CHO2)3
2.41
0.187
A
LiCHO2
Liquid
21.43
5.479
Al(CHO2)3
3.30
0.271
A
LiCHO2
Liquid
27.21
7.593
Al(CHO2)3
3.82
0.342
A+B
LiCHO2
Liquid
28.87
8.189
Al(CHO2)3
3.28
0.298
B
LiCHO2
Liquid
29.87
8.261
Al(CHO2)3
0.54
0.048
B
LiCHO2
Liquid
27.85
7.429
Al(CHO2)3
---
---
B
Notes:
a
The solid phases are: A = Al(CHO
2
)
3
•3H
2
O; B = LiCHO
2
•H
2
O.
Method/Apparatus/Procedure:
The isothermal method was used. One month was allowed for equilibration. The lithium content of both phases was determined by flame photometry. The aluminum content was determined complexometrically. The composition of the solid phases was determined by Schreinemakers' method, by IR spectroscopy, DT analysis and x-ray diffraction.
Source and Purity of Materials:
Aluminum formate was prepared as described earlier,
1
and so was lithium formate.
2
Estimated Errors:
Solubility: No information is given.
Temperature: No information is given.
References:
1
N. M. Chaplygina, I. Z. Babievskaya, and I. B. Kudinov, Zh. Neorg. Khim.
29
, 2206 (1984).
2
L. S. Itkina, N. M. Chaplygina, and E. V. Petrova, Zh. Neorg. Khim.
24
, 788 (1979).