SDS Volume
Volume 73. Metal and Ammonium Formate Systems, p None
Source Publication
Ostanni, N. I.; Zharkova, I. A.; Kanevskaya, A. R.; Korovkina, N. A.; Erofeev, B. V.; Zh. Fiz. Khim. 48, 2583-4 (1974).
Conditions:
Room Temp: 4.2 - 70 °C
Compilers:
St. Trendafilova, Chr. Balarew
Methodology:
The isothermal method was used. The procedure is described elsewhere [1].
Sample Information:
Methodology Citation
1 Ostanni, N. Y.; Zharkova, L. A.; Erofeyev, B. V.; Zh. Fiz. Khim. 37, 450 (1973).
System Components:
- Copper (II) formate, $\ce{ Cu(CHO2)2 }$; [544-19-4] NIST WebBook
- Water, $\ce{ H2O }$; [7732-18-5] NIST WebBook
Experimental Data
Transition temperatures: 42.8°C ± 0.8°C Cu(CHO2)2·4H2O → Cu(CHO2)2·2H2O And 61.1°C ± 1°C Cu(CHO2)2·2H2O → Cu(CHO2)2
| $T$ (°C) | $C_{1}$ (mol/L) | Phase (s) () a |
|---|---|---|
| 4.2 | 0.223 | A |
| 17.3 | 0.428 | A |
| 25.0 | 0.640 | A |
| 30.0 | 0.773 | A |
| 35.0 | 0.975 | A |
| 40.0 | 1.22 | A |
| 42.6 | 1.368 | A |
| 45.0 | 1.472 | B |
| 50.0 | 1.698 | B |
| 55.0 | 1.849 | B |
| 62.0 | 2.148 | B |
| 64.0 | 2.178 | C |
| 70.0 | 2.221 | C |
(a) The solid phases are: A = Cu(CHO2)2·4H2O, B = Cu(CHO2)2·2H2O, C = Cu(CHO2)2.
