Popis: |
A strategy for the overall analysis of pyrolysis oils is decribed based on the combination of a previously developed fractionation, the improved API 60 fractionation, with high-performance analytical techniques used in series, such as size-exclusion chromatography and capillary gas chromatography-mass spectrometry. As an example, the results obtained for the neutral and acid fractions resulting from the improved API 60 fractionation of pyrolysis oils prepared by carbonization of different species (hornbeam, poplar, pine) are given. |