A contribution to the study of matrix effects in the analysis of solid samples by D. C. glow discharge mass spectrometry |
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| Institution: | 1. Zhengzhou Institute of Multipurpose Utilization of Mineral Resources, CAGS, Zhengzhou 450006, PR China;2. China National Engineering Research Center for Utilization of Industrial Minerals, Zhengzhou 450006, PR China;3. Key Laboratory of Evaluation and Multipurpose Utilization of Polymetallic Ores Ministry of Natural Resources, Zhengzhou 450006, PR China;1. Key Laboratory of Chemical Metrology and Applications on Nutrition and Health for State Market Regulation, Division of Metrology in Chemistry, National Institute of Metrology, Beijing 100029, China;2. Beijing Advanced Innovation Center for Soft Matter Science and Engineering, State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China;3. State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China;1. Institute of Semiconductor Manufacturing Research, Shenzhen University, Shenzhen, Guangdong, 518060, PR China;2. Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, 518055, PR China;3. School of Mechatronical Engineering, Beijing Institute of Technology, Beijing, 100081, PR China;4. State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, PR China;5. Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology, Shenzhen, 518055, PR China;1. The High Pressure Research Center of Science and Technology, Zhengzhou University of Light Industry, Zhengzhou 450002, China;2. School of Physical Science and Information Technology, Liaocheng University, Liaocheng 252000, China;3. Laboratory of Computational Physics, Institute of Applied Physics and Computational Mathematics, Beijing 100088, China;4. Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China;5. Center for High Pressure Science and Technology Advanced Research, Beijing 100094, China |
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| Abstract: | Relative Sensitivity Factors (RSF) for the analysis of 22 elements by glow discharge mass spectrometry have been determined from the multiple determination of 19 reference materials representing steels, Ni-based heat resisting alloys, copper, aluminium, molybdenum and indium by using an Ar/0.2 vol. % H2 mixture as a filler gas. The measurements were made by using the VG 9000 glow discharge mass spectrometer. For all the materials analyzed, the relative variations of these factors were reduced by more than a factor of 2 when the Ar/H2 mixture was substituted to the pure argon. In addition, the proposed technique greatly decreases the matrix effects, thus allowing the determination of the elemental composition of metallic samples without needing to use standard reference materials. |
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