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Type: Artigo de periódico
Title: Characterization Of Anfo Explosive By High Accuracy Esi(±)-ftms With Forensic Identification On Real Samples By Easi(-)-ms.
Author: Hernandes, Vinicius Veri
Franco, Marcos Fernado
Santos, Jandyson Machado
Melendez-Perez, Jose J
Morais, Damila Rodrigues de
Rocha, Werickson Fortunato de Carvalho
Borges, Rodrigo
de Souza, Wanderley
Zacca, Jorge Jardim
Logrado, Lucio Paulo Lima
Eberlin, Marcos Nogueira
Correa, Deleon Nascimento
Abstract: Ammonium nitrate fuel oil (ANFO) is an explosive used in many civil applications. In Brazil, ANFO has unfortunately also been used in criminal attacks, mainly in automated teller machine (ATM) explosions. In this paper, we describe a detailed characterization of the ANFO composition and its two main constituents (diesel and a nitrate explosive) using high resolution and accuracy mass spectrometry performed on an FT-ICR-mass spectrometer with electrospray ionization (ESI(±)-FTMS) in both the positive and negative ion modes. Via ESI(-)-MS, an ion marker for ANFO was characterized. Using a direct and simple ambient desorption/ionization technique, i.e., easy ambient sonic-spray ionization mass spectrometry (EASI-MS), in a simpler, lower accuracy but robust single quadrupole mass spectrometer, the ANFO ion marker was directly detected from the surface of banknotes collected from ATM explosion theft.
Subject: Anfo
Forensic Science
Citation: Forensic Science International. v. 249C, p. 156-164, 2015-Jan.
Rights: fechado
Identifier DOI: 10.1016/j.forsciint.2015.01.006
Date Issue: 2015
Appears in Collections:Unicamp - Artigos e Outros Documentos

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