Components:
(1) Potassium formate,
KCHO2; [590-29-4]
NIST WebBook
(2) Water,
H2O; [7732-18-5]
NIST WebBook
Original Measurements
Groschuff, E.; Ber. Dtsch. Chem. Ges. 36, 1783-95 (1903).
Variables:
Ambient temperature: -20 - 140 °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.
Experimental Values:
Note: The melting point of KCHO2 determined to be 157°C. The density of the solution at 18°C determined to be 1.573 g/mL.Solubility of potassium formate in water.
| T (°C) | 100w1 | m1 (mol/kg)a | Phase (s)b |
|---|---|---|---|
| -20.0 | 72.8 | 31.8 | A |
| 18.0 | 76.8 | 39.4 | A |
| 50.0 | 80.7 | 49.7 | A |
| 90.0 | 86.8 | 78.2 | A |
| 120.0 | 92.0 | 136.7 | A |
| 140.0 | 96.0 | 285.4 | A |
(a) The molality values were calculated by the compilers. (b) The solid phase is: A = KCHO2.
