Use of solid phase extraction (SPE) for isolation of polycyclic aromatic hydrocarbons from drinking water
1998
Belajova, E. (Vyskumny Ustav Potravinarsky, Bratislava (Slovak Republic))
Use of solid phase extraction catriges for isolation of polycyclic aromatic hydrocarbons (PAHs) from drinking water is discussed. The extraction cartriges of various nonpolar sorbent arrangement (column, disk) and various producers (Tessek, Merck, J. T. Baker) were chosen. Effect of the PAHs isolation was evaluated on the basis of their recovery and of the used organic elution solvent (mathanol, mixture of menthanol and dichloromethane, hexane). It was found that the PAHs recovery was influenced with many analytical parameters of material used in PAHs isolation, for instance with a sort of the SPE cartriges, sorbent particle size, sorbent weight, sort and volume of the elution agent. The best experimental results were obtained using the nonpolar sorbent C18 of the J. T. Baker firm and hexane as the elution agent. The mean recovery of benzo(a)pyrene was about 70 %. PAHs isolated from drinking water were analysed using HPLC with UV and fluorescence detection
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