Analysis of chlorine in polymers by laser sampling and diode laser atomic absorption spectrometry |
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| Affiliation: | 1. Institute of Earth Sciences, University of Lausanne, 1015 Lausanne, Switzerland;2. Department of Geological Sciences, Jackson School of Geosciences, University of Texas at Austin, Austin, TX, USA 78712;3. Institut de Physique du Globe de Paris, Sorbonne Paris Cité, Université Paris-Diderot, CNRS UMR 7154, Paris, France;4. Observatoire Volcanologique et Sismologique de Guadeloupe, Institut de Physique du Globe de Paris, CNRS UMS 3454, Guadeloupe, France;5. Laboratoire Magmas et Volcans, CNRS, University of Blaise Pascal, Clermont-Ferrand, France;6. Institute of Geochemistry and Petrology, ETH Zürich, Zürich, Switzerland;7. Dept. of Earth and Planetary Sciences, University of New Mexico, Albuquerque, USA;8. Dept. of Earth Sciences, Memorial University, St-John''s, NL, Canada;9. Lamont-Doherty Earth Observatory, Earth Institute, Columbia University, Palisades, USA;10. Institut für Geologische Wissenschaften, Freie Universität Berlin, Germany;1. Division of Chemical Metrology and Analytical Science, National Institute of Metrology, No. 18 Beisanhuan Donglu, Chaoyang Dist., Beijing 100029, China;2. Key Laboratory of Chemical Metrology and Applications on Nutrition and Health for State Market Regulation, No. 18 Beisanhuan Donglu, Chaoyang Dist., Beijing 100029, China |
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| Abstract: | The combination of Laser Ablation and Diode Laser Atomic Absorption Spectrometry in a low-pressure Microwave Induced Plasma (MIP) is presented as a method for analysis of solid samples. The capability of this technique is demonstrated by the analysis of chlorine in polymer matrices compared with the major constituents carbon and hydrogen. The detection limit of chlorine was found to be approximately 10 pg/shot or 85 μg/g applying eight laser shots. Furthermore, the reproduction of the stoichiometry of different polyvinylchloride samples verified the absence of severe fractionation effects during the ablation and transport into the MIP. |
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