Sample preparation techniques based on combustion reactions in closed vessels — A brief overview and recent applications |
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| Authors: | Érico MM Flores Juliano S Barin Márcia F Mesko Günter Knapp |
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| Institution: | 1. Departamento de Química, Universidade Federal de Santa Maria 97105-900, Santa Maria, RS, Brazil;2. Micro- and Radiochemistry, Graz University of Technology, Technikerstrasse 4, A-8010 Graz, Austria |
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| Abstract: | In this review, a general discussion of sample preparation techniques based on combustion reactions in closed vessels is presented. Applications for several kinds of samples are described, taking into account the literature data reported in the last 25 years. The operational conditions as well as the main characteristics and drawbacks are discussed for bomb combustion, oxygen flask and microwave-induced combustion (MIC) techniques. Recent applications of MIC techniques are discussed with special concern for samples not well digested by conventional microwave-assisted wet digestion as, for example, coal and also for subsequent determination of halogens. |
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| Keywords: | Sample preparation Combustion techniques Combustion bomb Oxygen flask Microwave-induced combustion |
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