Solubility System: Toluene with Artificial seawater
Components:

(1) Toluene, C7H8; [108-88-3] NIST WebBook
(2) Seawater, H2O; [7732-18-5(C)] NIST WebBook

Original Measurements

Sutton, C.; Calder, J. A.; J. Chem. Eng. Data 1975, 20, 320-2.

Variables:

Ambient temperature: 25 °C
Salinity: 34.5 g salts/kg sln

Prepared by:

M. Kleinschmidt

Method/Apparatus/Procedure:

A test tube containing (1) was placed in a flask containing (2) thus allowing for equilibration through the vapor phase. The saturated solution wa extracted with hexane and analyzed by gas chromatography.

Source and Purity of Materials:
  1. From either Aldrich Chemical Co. or Matheson Coleman and Bell, 99+% pure.
  2. made from doubly distilled water and salts 99+% pure.
Estimated Errors:

Ambient temperature: ±0.1 K
Mass concentration (m/v) (1): 2.8 (std. dev.)

References

1 Lyman, J.; Fleming, R. H.; J. Mar. Res. 1940, 3, 135.

Experimental Values:
Note: The solubility of toluene in artificial seawater is reported to be 379.3 mg(1)/kg sln. The corresponding mass percent and mole fraction, x1 calculated by the compiler are 0.3793 g(1)/100 g sln and 7.61 × 10-5 assuming the artificial seawater composition of ref 1.
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