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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 100 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 100 °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
1.44
0.090
A
LiCHO2
Liquid
28.30
7.748
Al(CHO2)3
8.40
0.866
A
LiCHO2
Liquid
33.84
10.09
Al(CHO2)3
9.66
0.660
A
LiCHO2
Liquid
43.05
15.24
Al(CHO2)3
15.42
1.125
A+B
LiCHO2
Liquid
58.32
26.93
Al(CHO2)3
---
---
B
Notes:
a
The solid phases are: A = Al(OH)(CHO
2
)
2
; B = LiCHO
2
.
Method/Apparatus/Procedure:
The isothermal method was used. The mixtures were equilibrated in a furnace for two weeks. Phase separation was carried out in the furnace by centrifugation through a silver filter. 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).