In this project, capillary electrophoresis (CE) was used to analyze conventional and gel inks. The compositional differences between various inks have been elucidated in order to aide in forensic analysis.  Specifically, CE buffer composition, injection and detection parameters have been optimized for ink identification in document authentication.  The importance of minimal alteration to documents in these analyses is noted and methods are described that fit this criteria.  Finally, CE methods are compared to ink analysis by direct sample analysis (DSA) and direct analysis in real time (DART) coupled with high resolution, high mass accuracy time of flight mass spectrometry (TOF-MS).<br/>

Analysis of inks using capillary electrophoresis and direct analysis mass spectrometry techniques

255th National Meeting (2018)

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