Determination of PAH in soil

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Random Path Simulation Error in R?

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Is it possible to combine a time-series of tree-ring widths and and a time-series of diameter at breast height measurements into one TS?

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Simone Badini

which device you intend to use for the analysis? HPLC or GC / MS?

as an alternative to sonication I prefer to use an extraction (ASE acceleated solvent extractor) dichloromethane / hexane .... sonication but that's okay.

David Cong

Why we don't use spectra of PAH to detect it directly ?