SDS Volume (278)

Volume 37. Hydrocarbons in Water and Seawater, Part I, p 189

Original Measurements

Brown, R. L.; Wasik, S. P.; J. Res. Natl. Bur. Stan. 1974, 78A, 453-60.

Variables:

Room Temp: 0 - 20 °C
Salinity: 34.42 g salts/kg sln

Prepared by:

G.T. Hefter, D.G. Shaw

Method/Apparatus/Procedure:

Solubilities were calculated from partition coefficent measurements for the hydrocarbon between an aqueous solution and its vapor using chromatography.
The apparatus and the method of obtaining the partition coefficents are described in detail in the paper. The hydrocarbon was introduced as a vapor (to avoid emulsification) into a glass equilibrium cell containing about 45 mL of water. The vapor was subsequently analyzed by gas chromatography using He as the carrier. Possible sources of error are discussed in detail although the source of vapor pressure data used to calculate solubilities are not given.

Source and Purity of Materials:

1. 99.99 mole% purity; source and methods of purification not specified.
2. Prepared according to [1]. Purity not specified.

Estimated Errors:

Ambient temperature: ±0.01 K
Mass concentration (m/v) (1): see table above

References

¹ Sverdrup, H. U.; Johnson, M. W.; Fleming, R. H.; The Oceans, 1942, Prentice-Hall, englewood Cliffs, New Jersey p186.