IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Glass Ball as Bullet Solubility System: Acetonitrile with Rubidium iodide
Components:
   (1) Acetonitrile; C2H3N; [75-05-8]  NIST Chemistry WebBook for detail
   (2) Rubidium iodide; RbI; [7790-29-6]  NIST Chemistry WebBook for detail
Original Measurements:
   Il’in, K.K.; Demakhin, A.G.; Nikurashina, N.I.; Varlamova, T.M., Zh. Fiz. Khim. 55, 2499-2502 (1981).

 Variables:
   Temperature = 253 K to 333 K

 Prepared By:
   Valerii P. Sazonov

 Experimental Data:   (Notes on the Nomenclature)
  
Solubility of rubidium iodide (2) in acetonitrile (1)
t/°CT/K102 * Mass Fraction w2Mole Fraction x2 (compiler)
-20.0253.22.580.0051
-10.0263.22.470.0049
0.0273.22.340.0046
10.0283.22.280.0045
20.0293.22.150.0042
25.0298.22.080.0041
30.0303.22.060.0040
40.0313.21.970.0039
50.0323.21.900.0037
60.0333.21.870.0036
 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:
   (1) Source not specified; pure grade reagent; dried and purified.
   (2) Source not specified; analytical purity; dried in vacuum.

 Estimated Errors:
   Solubility: relative error ± 0.1 %.
   Temperature: ± 0.1 K.