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Particles of plastic foam are occasionally encountered during the examination of microscopic trace evidence
The fact that they are usually observed as small particles (and thus easily transferable) is typically an indication that the source object has degraded
Page 1: Contribution to the Characterizatio
Page 5 and 6: Microscopical and microchemical met
Page 7 and 8: Stereomicroscopy Shape Color
Page 9 and 10: Testing for elastomerism
Page 11 and 12: Birefringence
Page 13 and 14: Microspectrophotometry
Page 15 and 16: Fluorescence microscopy and Microfl
Page 17 and 18: SEM-EDS Analysis
Page 19 and 20: Microchemical Methods - primarily i
Page 21 and 22: Polyester type urethane - neat
Page 23 and 24: Acetone extract from Foam 2
Page 25 and 26: Polyether urethane after acetone wa
Page 27 and 28: GC-MS • Information from both ext
Page 29 and 30: MCounts Sample ID Sample 1 Acetone
Page 31 and 32: MCounts Sample ID Sample 2; 2 dgr-P
Page 33 and 34: Summary • By means of microscopic

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