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120 140 160 m/z

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Figure 17. Comparison of pyrolysis mass spectra of biopolymers obtained by the filament technique (Fe wire, Tc 770°C; spectra a, b) and the oven technique (Fe tube, Tc 770°C; spectra c, d). The oven spectra are corrected for background, in the filament spectra background contributions are negligible. Note the considerable increase in relative peak intensities in the oven spectra (arrows) when compared to the corresponding filament spectra.

electron-multiplier

Figure 17. Comparison of pyrolysis mass spectra of biopolymers obtained by the filament technique (Fe wire, Tc 770°C; spectra a, b) and the oven technique (Fe tube, Tc 770°C; spectra c, d). The oven spectra are corrected for background, in the filament spectra background contributions are negligible. Note the considerable increase in relative peak intensities in the oven spectra (arrows) when compared to the corresponding filament spectra.

electron-multiplier

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