Compilation - Lithium formate with Water (IUPAC SDS Volume 73)
SDS Volume (4693)
Volume 73. Metal and Ammonium Formate Systems, p None
Original Measurements
Groschuff, E.; Ber. Dtsch. Chem. Ges. 36, 1783-95 (1903).
Variables:
Room Temp: -20 - 122 °C
Prepared by:
St. Trendafilova, Chr. Balarew
Method/Apparatus/Procedure:
No information is given.
Source and Purity of Materials:
- No information is given.
Estimated Errors:
Ambient temperature: No information is given.
Mass concentration (m/v) (1): No information is given.
Components:
- Lithium formate, $\ce{ LiCHO2 }$; [556-63-8] NIST WebBook
- Water, $\ce{ H2O }$; [7732-18-5] NIST WebBook
Experimental Data
The boiling point of the saturated solution was 122°C. The density as 18°C was determined to be 1.142 g/L. Phase transition from A to B occurs at 94°C. Note: The LiCHO2 decomposes at about 230°C.
Composition of equilibrium liquid phases.
| $T$ (°C) | 100w1 | m1 (mol/kg) | Phase (s) () |
|---|---|---|---|
| -20 | 21.14 | 5.16 | A |
| 0 | 24.42 | 6.22 | A |
| 18 | 27.85 | 7.43 | A |
| 49.5 | 35.60 | 10.64 | A |
| 74 | 44.91 | 15.69 | A |
| 91 | 54.16 | 22.74 | A |
| 98 | 57.05 | 25.56 | B |
| 104 | 57.64 | 26.19 | B |
| 120 | 59.63 | 28.43 | B |
(a) The molality values were calculated by the compilers.
(b) The solid phases are: A = LiCHO2·H2O, B = LiCHO2
