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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 50 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 50 °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
7.02
0.466
A
LiCHO2
Liquid
10.97
2.476
Al(CHO2)3
3.75
0.271
A
LiCHO2
Liquid
15.07
3.589
Al(CHO2)3
4.13
0.315
A
LiCHO2
Liquid
23.61
6.455
Al(CHO2)3
6.00
0.526
A
LiCHO2
Liquid
25.81
7.367
Al(CHO2)3
6.76
0.619
A
LiCHO2
Liquid
34.44
12.29
Al(CHO2)3
11.62
1.329
A+B
LiCHO2
Liquid
32.42
9.517
Al(CHO2)3
2.02
0.190
B
LiCHO2
Liquid
36.04
10.84
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. Three weeks were 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).