Quantitative Determination of Trace Concentration of Organics in Water by Solvent Extraction and Fused Silica Capillary Gas Chromatography: Aliphatic and Polynuclear Hydrocarbons

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Abstract
Solvent extraction procedures with six different solvents on aqueous model systems of aliphatic (C12-C22) and polynuclear aromatic hydrocarbons (PAHs: Naphthalene, acenaphtene, fluorene, phenanthrene, anthracene, fluoranthene and pyrene) were studied for the analysis in the trace concentration range (20-50 ng ml-1) by fused silica capillary gas chromatography. Recovery efficiencies, reproducibilities and detection limits for each analyte and procedure are reported. The effect of the PAHs on the extracting rate of the aliphatic hydrocarbons at the trace concentration range is discussed.