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|Title:||Results of a European Inter-Laboratory Comparison Study on the Determination of EU Priority Polycyclic Aromatic Hydrocarbons (PAHs) in Edible Vegetable Oils|
|Authors:||SIMON RUPERT; GOMEZ RUIZ JOSE ANGEL; VON HOLST CHRISTOPH; WENZL THOMAS; ANKLAM ELKE|
|Citation:||ANALYTICAL AND BIOANALYTICAL CHEMISTRY vol. 391 p. 1397-1408|
|Type:||Articles in Journals|
|Abstract:||A collaborative study on the analysis for 15+1 EU priority PAHs in edible oils was organised to investigate the state-of-the-art of respective analytical methods. Three spiked vegetable oils, one contaminated native sunflower oil, and one standard solution were investigated in this study. The results of 52 laboratories using either high performance liquid chromatography with fluorescence detection or gas chromatography with mass selective detectors were evaluated by application of robust statistics. About 95% of the laboratories were able to quantify benzo[a]pyrene together with five other PAHs included in the commonly known list of 16 US-EPA PAHs. About 80% of the participants quantified in most samples also seven additional PAHs, two of which were benzo[b]fluoranthene and benzo[k]fluoranthene also known from the EPA list. Only about 50% of the participants quantified cyclopenta[cd]pyrene, benzo[j]fluoranthene, and benzo[c]fluorene. The robust relative standard deviations of the submitted results without discrimination between the methods applied ranged between 100 % for 5-methylchrysene in spiked olive oil and 11 % for the same analyte in spiked sunflower oil. The results clearly showed that for these analytes the methods of analysis are not well established yet in European laboratories and more collaborative trials are needed to promote further development and to improve the performance of the respective methods.|
|JRC Institute:||Institute for Reference Materials and Measurements|
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