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VSC (Video Spectral Comparator)

A multispectral imaging instrument used in document examination; illuminates the document at multiple wavelengths (UV, visible, near-IR, IR) and captures fluorescence and reflectance images, allowing ink discrimination, overwriting detection, and obliterated-text recovery.

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ASTM E2285 / E2286Ballpoint inkCheck washingCTS-2010 (Cheque Truncation System)Digital Signature Certificate (DSC)Embossed seal counter-matrixError Level Analysis (ELA)ESDA (Electrostatic Detection Apparatus)HPLC-DADIron-gall inkMICR E-13BPhenoxyethanol

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