Interpreting the near infrared region of explosives
Identificadores
Enlace permanente (URI): http://hdl.handle.net/10017/47412DOI: doi.org/10.1016/j.saa.2018.06.002
ISSN: 1386-1425
Fecha de publicación
2018-11-05Filiación
Universidad de Alcalá. Departamento de Química Analítica, Química Física e Ingiería QuímicaCita bibliográfica
Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, 2018, v. 204, p. 81-87
Palabras clave
Explosives
Energetic powders
Near infrared spectroscopy
Combination region
Overtone.
Proyectos
UAH-GP2018-2 (Universidad de Alcalá)
Tipo de documento
info:eu-repo/semantics/article
Versión
info:eu-repo/semantics/publishedVersion
Derechos
Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
© Elsevier, 2018
Derechos de acceso
info:eu-repo/semantics/openAccess
Resumen
The NIR spectra from 1000 to 2500 nm of 18 different explosives, propellant powders and energetic salts were collected and interpreted. NIR spectroscopy is known to provide information about the combination bands and overtones of highly anharmonic vibrations as those occurring in XH bonds (CH, NH and OH). Particularly intense and complex were the bands corresponding to the first combination region (2500&#-1900&;8239#nm) and first overtone stretching mode (2nu) of CH and NH bonds (1750&#-1450&;8239#nm). Inorganic oxidizing salts including sodium/potassium nitrate, sodium/potassium chlorate, and sodium/potassium perchlorate displayed low intense or no NIR bands.
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