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Comparison of Natural and Artificial Aging of Ballpoint Inks

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Solvent evaporation caused by aging from ballpoint inks was measured by gas chromatography/mass spectroscopy (GC/MS). The sample preparation was carried out with two different thermal desorption systems. The results are compared. Thirteen inks were classified with regard to their solvents, polymers, and additives. The variation of the aforementioned compounds caused by aging was monitored for naturally and artificially aged samples. In this paper, the results are compared and discussed with respect to forensic casework.
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Keywords: age determination; artificial aging; forensic science; gas chromatography/mass spectroscopy; ink; thermal desorption

Document Type: Research Article

Affiliations: Der Polizeipräsident in Berlin, Landeskriminalamt, Kompetenzzentrum, Kriminaltechnik KT 43, Tempelhofer Damm 12, D-12101 Berlin, Germany.

Publication date: July 1, 2008

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