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HPLC-DAD

High-performance liquid chromatography with diode-array detection. Separates ink dyes on a C18 column and records UV-visible spectra at each elution point, providing quantitative dye identification at nanogram levels. Governed by ASTM E2286.

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Related terms

ASTM E2285 / E2286Ballpoint inkIron-gall inkPhenoxyethanolRaman microspectroscopyTLC (Thin-Layer Chromatography)TonerUSSS International Ink LibraryVSC (Video Spectral Comparator)

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