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  • Title: Intercomparative study on the determination of polynuclear aromatic hydrocarbons in marine shellfish tissue.
    Author: Uthe JF, Musial CJ.
    Journal: J Assoc Off Anal Chem; 1988; 71(2):363-8. PubMed ID: 3384787.
    Abstract:
    Twenty-five laboratories were sent 2 materials, one an acetone powder of lobster digestive gland, the other, the oil which had been extracted during preparation of the powder. Each laboratory was requested to measure the levels of a suite of polycyclic aromatic hydrocarbons in both materials. The response was poor with only 10 laboratories submitting results. Both intra- and interlaboratory precisions were poor; the interlaboratory error was so great as to preclude statistical analysis of the error. Relative standard deviations for oil results determined by liquid chromatography ranged from 39 to 96%.
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