Szukana fraza: [Abstrakt = %22The physicochemical investigation of different archaeological samples are important in exploring the human past. Non%5C-invasive spectroscopic methods%2C like Fourier transform infrared spectroscopy %5C(FT%5C-IR%5C)%2C are useful diagnostic tool%2C used to identify unknown adhesive substances deposited on artifacts %5C(e.g. vessels%2C utensils or tools%5C). As the results of analysis of black residues on selected artifacts from Wroclaw pitch%2C wood tar and wine have been identified%22]

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