Marieke Kerkhoff

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Various off-line methods for clean-up and sample enrichment are available for the analysis of polycyclic aromatic hydrocarbons (PAHs) in edible oils and fats. These methods consist of laborious and(More)
We report a method for reliable routine polymer sample introduction with minimal bias, a separation method of the first six linear and cyclic oligomers by liquid chromatography, quantification using(More)
Yellow eels (Anguilla anguilla) containing relatively high concentrations of PCBs, chlorobenzenes, and octachlorostyrene were transferred from the river Rhine (The Netherlands) to a relatively clean(More)
By separating the first six linear and cyclic oligomers of polyamide-6 on a reversed-phase high-performance liquid chromatographic system after sandwich injection, quantitative determination of these(More)
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