Microreflectance FTIR Techniques Applied to Materials Encountered in Forensic Examination of Documents
作者： Jan Andrasko
DOI: 10.1520/JFS14003J
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摘要: Microreflectance Fourier transform infrared spectrometry (FTIR) has been applied to the forensic examination of documents. The materials examined were black printing inks, paper, plastics, photocopy toners, and transfer letters (Letra set). Good discrimination was achieved between different samples these materials. Euclidean distances calculated on bases first derivatives measured FTIR reflectance spectra. Some results compared with those obtained by diffuse FTIR. is nondestructive may be used as a complement optical techniques for
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