A preliminary study of the analysis of explosives using packed-column supercritical fluid chromatography with atmospheric pressure chemical ionisation mass spectrometric detection |
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| Affiliation: | 1. Forensic Science Unit, Department of Pure and Applied Chemistry, University of Strathclyde, 204, George Street, Glasgow, G1 1XW, UK;2. Department of Chemistry, University of Nottingham, University Park, Nottingham, NG7 2RD, UK;1. Science and Technology Application and Research Center, Siirt University, Siirt, 56100, Turkey;2. Department of Chemistry, Faculty of Science, University of Dicle, 21280, Diyarbakir, Turkey;3. Science and Technology Application and Research Center (DUBTAM), Dicle University, Diyarbakir, 21280, Turkey;4. Department of Chemical Engineering, Kazakh-British Technical University, 050000, Almaty, Kazakhstan;5. Department of Chemical Technology, Institute of Chemical Engineering, Kazakh National Research Technical University After K. I. Satpayev, 050000 Almaty, Kazakhstan;6. Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Dicle University, Diyarbakir, 21280, Turkey;1. Sivas Cumhuriyet University, Department of Biochemistry, TR-58140 Sivas, Turkey;2. Tokat Gaziosmanpasa University, Chemistry Department, 60250 Tokat, Turkey;3. King Fahd University of Petroleum and Minerals, Research Institute, Center for Environment and Water, Dhahran 31261, Saudi Arabia;4. Kapadokya University, Department of Aircraft Airframe Engine Maintenance, 50420 Urgup, Nevşehir, Turkey;5. Zonguldak Bulent Ecevit University, Chemistry Department, 67100 Zonguldak, Turkey;6. Sivas Cumhuriyet University, Department of Chemistry, TR-58140 Sivas, Turkey;1. Ege University, Faculty of Science, Biochemistry Department, 35100 Bornova, Izmir, Turkey;2. Dicle University, Faculty of Science, Chemistry Department, 21280 Diyarbakir, Turkey;3. Ege University, Institute of Drug Abuse Toxicology & Pharmaceutical Sciences, 35100 Bornova, Izmir, Turkey;4. Ege University, Faculty of Pharmacy, Department of Pharmaceutical Biotechnology, 35100 Bornova, Izmir, Turkey;5. Ege LS, Ege University, 35100 Bornova, Izmir, Turkey;6. Ege University, School of Medicine, Department of Psychiatry, 35100 Bornova, Izmir, Turkey;1. College of Chemistry, Sichuan University, Chengdu 610064, People''s Republic of China;2. College of Management, Southwest University for Nationalities, Chengdu 610041, People''s Republic of China |
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| Abstract: | A packed-column supercritical fluid chromatographic (SFC) separation of explosive compounds hyphenated to atmospheric pressure chemical ionisation (APCI) mass spectrometric (MS) detection has been developed. Nitroaromatics, nitramines and nitrate esters can be resolved and identified, with theoretical limits of detection of approximately 100 ng on column. This represents a development over previously described gas chromatography–thermal energy analysis (GC–TEA), gas chromatography– electron capture detection (GC–ECD) and SFC methods for the analysis of explosives due to the molecular identification afforded by the mass spectrometry. Explosives in the combinations expected in commercially available mixtures can be separated and identified. A successful application to a laboratory trial simulating casework is described. |
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