SYMPOSIA PAPER Published: 01 January 1975
STP39015S

Gas Chromatographic Determination of Low Concentrations of Hydrocarbons in Water by Vapor Phase Extraction

Source

A novel system for the measurement of low concentrations of hydrocarbons in water is described. The apparatus introduces a vapor sample of the hydrocarbon to a gas chromatograph following transfer of part of the hydrocarbon from the aqueous solution to a vapor phase. The thermodynamic basis for predicting the vapor-liquid equilibration is given. The method is capable of analyzing hydrocarbon concentrations in parts per billion range; however, the sensitivity depends on the hydrocarbon solubility and vapor pressure.

Author Information

Mackay, D
Institute of Environmental Sciences and Engineering, University of Toronto, Toronto, Ontario, Canada
Shiu, WY
Institute of Environmental Sciences and Engineering, University of Toronto, Toronto, Ontario, Canada
Wolkoff, AW
Canada Centre for Inland Waters, Burlington, Ontario, Canada
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Details
Developed by Committee: D19
Pages: 251–258
DOI: 10.1520/STP39015S
ISBN-EB: 978-0-8031-5584-8
ISBN-13: 978-0-8031-5526-8