Applications of electrospray laser desorption ionization mass spectrometry for document examination.

Abstract

We have employed electrospray laser desorption ionization mass spectrometry (ELDI-MS) to rapidly characterize certain classes of compounds--the inks within the characters made by inks and inkjet printer on regular paper and the chemical compounds within thermal papers. This ELDI-MS approach allowed the ink and paper samples to be distinguished in terms of… (More)
DOI: 10.1002/rcm.4378

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