Research Article
Gas Chromatography/Atmospheric Pressure Chemical Ionization-Fourier Transform Ion Cyclotron Resonance Mass Spectrometry of Pyrolysis Oil from German Brown Coal
Figure 8
-DBE-plots for different time segments of compound classes , , , and . Observed relative intensities of detected compounds are visualized as color-coded ones (yellow: low intensity, red: medium intensity, and black: high intensity).