Compilation - Acetonitrile with Rubidium iodide (IUPAC SDS Volume 78)
SDS Volume (5153)
Volume 78. Acetonitrile Binary Systems, p None
Original Measurements
Il'in, K. K.; Demakhin, A. G.; Nikurashina, N. I.; Varlamova, T. M.; Zh. Fiz. Khim. 55, 2499-2502 (1981).
Variables:
Room Temp: 253 - 333 $\pu{K}$
Prepared by:
Method/Apparatus/Procedure:
The analytical method was used. (1) and (2) were placed in a vessel without contact to atmospheric moisture. With continuous stirring equilibrium was established in 6-7 hours. Salt content in saturated solutions determined by gravimetrically.
Source and Purity of Materials:
- Source not specified; pure grade reagent; dried and purified.
- Source not specified; analytical purity; dried in vacuum.
Estimated Errors:
Ambient temperature: ±0.1 K.
Mass concentration (m/v) (1): relative error ±0.1%.
Components:
- Acetonitrile, $\ce{ C2H3N }$; [75-05-8] NIST WebBook
- Rubidium iodide, $\ce{ RbI }$; [7790-29-6] NIST WebBook
Experimental Data
Solubility of rubidium iodide (2) in acetonitrile (1)
| $T$ (°C) | $T$ ($\pu{K}$) | 100w2 | $x_{2}$ |
|---|---|---|---|
| -20.0 | 253.2 | 2.58 | 5.1 x 10-3 |
| -10.0 | 263.2 | 2.47 | 4.9 x 10-3 |
| 0.0 | 273.2 | 2.34 | 4.6 x 10-3 |
| 10.0 | 283.2 | 2.28 | 4.5 x 10-3 |
| 20.0 | 293.2 | 2.15 | 4.2 x 10-3 |
| 25.0 | 298.2 | 2.08 | 4.1 x 10-3 |
| 30.0 | 303.2 | 2.06 | 4.0 x 10-3 |
| 40.0 | 313.2 | 1.97 | 3.9 x 10-3 |
| 50.0 | 323.2 | 1.90 | 3.7 x 10-3 |
| 60.0 | 333.2 | 1.87 | 3.6 x 10-3 |
