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A GC/MS study of the drying of ballpoint pen ink on paper
ArticleAbstract: The determination of the age of an ink entry from a questioned document is often an essential problePalabras claves:Aging and ballpoint ink, dyes, Forensic sciences, Gas chromatography, Laser mass spectrometry, SolventsAutores:Cesar Costa-Vera, Kirsch D., Spengler B., Weyermann C.Fuentes:googlescopusEvaluation of the photodegradation of crystal violet upon light exposure by mass spectrometric and spectroscopic methods
ArticleAbstract: Crystal violet is a very common dye in ballpoint ink. Recent research suggests that the degradationPalabras claves:aging, Cationic triarylmethane dyes, Crystal violet, Forensic science, Ink, Laser mass spectrometry, Matrix Assisted Laser Desorption Ionisation Mass Spectrometry, UV-Vis spectroscopyAutores:Cesar Costa-Vera, Kirsch D., Spengler B., Weyermann C.Fuentes:googlescopusPhotofading of ballpoint dyes studied on paper by LDI and MALDI MS
ArticleAbstract: The determination of the age of an ink entry from a questioned document is often a major problem andPalabras claves:Autores:Cesar Costa-Vera, Kirsch D., Spengler B., Weyermann C.Fuentes:googlescopus