Detection of explosives on solid surfaces by thermal desorption and ambient ion/molecule reactions |
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| Authors: | Popov Igor A Chen Hao Kharybin Oleg N Nikolaev Eugene N Cooks R Graham |
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| Institution: | Department of Chemistry, 560 Oval Drive, Purdue University, West Lafayette, IN 47907, USA. |
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| Abstract: | A simple, fast and direct method is presented for detecting traces of solid explosives on cotton swabs or in particulate samples: ions are transferred into a mass spectrometer after thermal desorption and corona discharge chemical ionization in ambient air; specificity is enhanced using ambient ion/molecule reactions or by conventional tandem mass spectrometry. |
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