SDS Volume (266)

Volume 37. Hydrocarbons in Water and Seawater, Part I, p 18

Original Measurements

McAuliffe, C.; J. Phys. Chem. 1966, 70, 1267-1275.

Variables:

Room Temp: 25 °C

Prepared by:

M.C. Haulait-Pirson

Method/Apparatus/Procedure:

In a 250 mL glass bottle, 10-20 mL of (1) was vigorously shaken for 1 hr or magnetically stirred for one day, with 200 mL of [2] at 25 °C. In the case of shaking, the solution was allowed to stand for two days to permit separation of small (1) droplets. Absence of emulsion was checked microscopically. A 50 µL sample of the (1) saturated water was withdrawn with a Hamilton Syringe and injected into the fractionator of the gas chromatograph. A hydrogen-flame ionization detector was used. Many details are given in the paper.

Source and Purity of Materials:
  1. Phillips Petroleum or Columbia Chemical; used as received.
  2. distilled.
Estimated Errors:

Ambient temperature: ±1.5 K
Mass concentration (m/v) (1): 9 mg(1)/kg sln (standard deviation from mean)

References

1 McAuliffe, C.; Nature 1963, 200, 1092-3.
2 McAuliffe, C.; Am. Chem. Soc. Div. Petrol. Chem. 1964. 9, 275.

Components:
  1. Cyclopentane, $\ce{ C5H10 }$; [287-92-3] NIST WebBook
  2. Water, $\ce{ H2O }$; [7732-18-5] NIST WebBook
Experimental Data

The solubility of cyclopentane in water at 25°C was reported to be 156 mg(1)/kg sln, (0.0156 g/100 g sln).
The corresponding mole fraction, x1, calculated by the compiler, is 4.0 × 10-5.
The same value is also reported in refs 1 and 2.

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