Analysis of deteriorated rubber-based pressure sensitive adhesive by pyrolysis-gas chromatography/mass spectrometry and attenuated total reflectance Fourier.

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Presentation transcript:

Analysis of deteriorated rubber-based pressure sensitive adhesive by pyrolysis-gas chromatography/mass spectrometry and attenuated total reflectance Fourier transform infrared spectrometry Y. Kumooka Forensic Science International Volume 163, Issue 1, Pages 132-137 (November 2006) DOI: 10.1016/j.forsciint.2005.11.030 Copyright © 2005 Elsevier Ireland Ltd Terms and Conditions

Fig. 1 Schematic diagram of Py-GC/MS. The evolved gas was led into the separation column while the valve of the selective sampler was closed. Forensic Science International 2006 163, 132-137DOI: (10.1016/j.forsciint.2005.11.030) Copyright © 2005 Elsevier Ireland Ltd Terms and Conditions

Fig. 2 ATR/FT-IR spectra of (a) adhesive 104, (b) the exposed adhesive 104, (c) YS Resin PX1150N and (d) the exposed YS Resin PX1150N. Forensic Science International 2006 163, 132-137DOI: (10.1016/j.forsciint.2005.11.030) Copyright © 2005 Elsevier Ireland Ltd Terms and Conditions

Fig. 3 ATR/FT-IR spectra of (a) adhesive 204, (b) the exposed adhesive 204, (c) Quintone A100 and (d) the exposed Quintone A100. Forensic Science International 2006 163, 132-137DOI: (10.1016/j.forsciint.2005.11.030) Copyright © 2005 Elsevier Ireland Ltd Terms and Conditions

Fig. 4 ATR/FT-IR spectra of (a) adhesive 244, (b) the exposed adhesive 244, (c) Escuron G-90, (d) the exposed Escuron G-90, (e) Hariester TF and (f) the exposed Hariester TF. Forensic Science International 2006 163, 132-137DOI: (10.1016/j.forsciint.2005.11.030) Copyright © 2005 Elsevier Ireland Ltd Terms and Conditions

Fig. 5 Total ion pyrograms of (a) adhesive 104, (b) the exposed adhesive 104, (c) YS Resin PX1150N and (d) the exposed YS Resin PX1150N. Peak numbers refer to Table 1. Forensic Science International 2006 163, 132-137DOI: (10.1016/j.forsciint.2005.11.030) Copyright © 2005 Elsevier Ireland Ltd Terms and Conditions

Fig. 6 Total ion pyrograms of (a) adhesive 204, (b) the exposed adhesive 204, (c) Quintone A100 and (d) the exposed Quintone A100. Peak numbers refer to Table 1. Forensic Science International 2006 163, 132-137DOI: (10.1016/j.forsciint.2005.11.030) Copyright © 2005 Elsevier Ireland Ltd Terms and Conditions

Fig. 7 Total ion pyrograms of (a) adhesive 244, (b) the exposed adhesive 244, (c) Escuron G-90 and (d) the exposed Escuron G-90. Peak numbers refer to Table 1. Forensic Science International 2006 163, 132-137DOI: (10.1016/j.forsciint.2005.11.030) Copyright © 2005 Elsevier Ireland Ltd Terms and Conditions

Fig. 8 THM-GC/MS chromatograms of (a) adhesive 244, (b) the exposed adhesive 244, (c) Hariester TF and (d) the exposed Hariester TF. Peak numbers refer to Table 1. Forensic Science International 2006 163, 132-137DOI: (10.1016/j.forsciint.2005.11.030) Copyright © 2005 Elsevier Ireland Ltd Terms and Conditions

Fig. 9 Chemical structures of abietic acid and dehydroabietic acid. Forensic Science International 2006 163, 132-137DOI: (10.1016/j.forsciint.2005.11.030) Copyright © 2005 Elsevier Ireland Ltd Terms and Conditions