Characterization of thermal inkjet technology TNT deposits by fiber optic-grazing angle probe FTIR spectroscopy

Oliva M. Primera-Pedrozo; Leonardo Pacheco-Londono; Orlando Ruiz; Michael Ramirez; Yadira M. Soto-Feliciano; Luis F. De La Torre-Quintana; Samuel P. Hernandez-Rivera

doi:10.1117/12.602451

20 May 2005 Characterization of thermal inkjet technology TNT deposits by fiber optic-grazing angle probe FTIR spectroscopy

Oliva M. Primera-Pedrozo, Leonardo Pacheco-Londono, Orlando Ruiz, Michael Ramirez, Yadira M. Soto-Feliciano, Luis F. De La Torre-Quintana, Samuel P. Hernandez-Rivera

Author Affiliations +

Proceedings Volume 5778, Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Security and Homeland Defense IV; (2005) https://doi.org/10.1117/12.602451
Event: Defense and Security, 2005, Orlando, Florida, United States

Abstract

Fiber Optic Coupled/Grazing Angle Probe Fourier Transform Infrared Spectroscopy has made possible to develop new methods for detection of traces of chemical compounds on surfaces. Thermal Inkjet Technology is able to deposit very small amounts of chemical compounds, including energetic materials, in a specific location on a surface. Aliquots of TNT solutions were deposited on stainless steel film. A thin coating of TNT can be produced by controlling the concentration of TNT, the number of drops dispensed and the distribution of drops over the surface. A Vector 22, a Bruker Optics FTIR fiber coupled to a Remspec Corp. grazing angle head was used for the experiments. The spectra were recorded at 4 cm^-1 resolution and 50 scans. The results of the experiments gave intense absorption bands in the fingerprint region of the infrared spectra that were used for quantification. Chemometrics routines were applied in the enhancement of the quantitative analysis.

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Oliva M. Primera-Pedrozo, Leonardo Pacheco-Londono, Orlando Ruiz, Michael Ramirez, Yadira M. Soto-Feliciano, Luis F. De La Torre-Quintana, and Samuel P. Hernandez-Rivera "Characterization of thermal inkjet technology TNT deposits by fiber optic-grazing angle probe FTIR spectroscopy", Proc. SPIE 5778, Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Security and Homeland Defense IV, (20 May 2005); https://doi.org/10.1117/12.602451

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