The corresponding mass percent and mole fraction, x₁, calculated by compiler are 0.0134 g(1)/100 g sln and 2.27 × 10^–5.

Editor's Note: Based on the results for this and other hydrocarbon-water systems, uncertainty exists about whether the datum compiled here is independent of that of Price for the same system (see previous page).

Experimental Data:   (Notes on the Nomenclature)
   Method/Apparatus/Procedure:
   The saturated solutions of (1) in (2) were prepared in two ways. First, 200 mL of (1) was injected into 20 mL of (2) and thermostatted at 25°C. Second, the mixture of (1) and (2) as above was thermostatted at 70°C and then cooled to 25°C. The time required to obtain equilibrium was three weeks. The solubility of (1) in (2) was measured by glc. A Perkin-Elmer model F-11 gas chromatograph equipped with a 100-150 mesh Porasil column (70°C) and a flame ionization detector was used. Saturated solutions of heptane in (2) were used as standard solutions.

Source and Purity of Materials:
   (1) not specified.
   (2) not specified.

Estimated Errors:
   Solubility: 3.4 mg(1)/kg(2) (standard deviation from 7- 9 determinations)