On-line solid-phase extraction and HPLC determination of polycyclic aromatic hydrocarbons in water using fluorocarbon polymer sorbents [An article from: Analytica Chimica Acta]

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Description:
Polyvinylidenefluoride (fluorocarbon polymer sorbent) with surface area 8.4m^2g^-^1 and particle size 15-30@mm was used for on-line SPE-HPLC determination of naphthalene, biphenyl, acenaphthene, anthracene and pyrene in natural water. Desorption eluent flow rates were varied from 0.50 to 1.75mlmin^-^1 and the volume of analyte-containing eluent stream zone was 0.10-0.11ml, while empty preconcentration column volume is 0.10ml. Detection limits of SPE-HPLC method were established: 5ngl^-^1 (biphenyl), 7ngl^-^1 (anthracene), 8ngl^-^1 (acenaphthene), 30ngl^-^1 (pyrene), 40ngl^-^1 (naphthalene), using UV spectrophotometric detection. Several samples of natural and potable water were spiked with mixture of PAHs, thus validating the proposed technique.