Experimental and theoretical intensities for graphite furnace atomic emission spectrometry |
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| Institution: | 1. MIIT Key Laboratory of Thermal Control of Electronic Equipment, School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China;2. Advanced Combustion Laboratory, School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China;3. School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, 150001, China;4. Key Laboratory of Aerospace Thermophysics, Ministry of Industry and Information Technology, Harbin Institute of Technology, Harbin, 150001, China |
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| Abstract: | A constant-temperature atomizer in which tube dimensions and heating modes could be varied was used to experimentally measure atomic emission intensities for 12 elements. These results were compared with intensities calculated from theoretical expressions describing peak height and peak area emission signals. The best agreement between experimental and calculated intensities was obtained for a 1.8 cm long atomizer configuration providing both spatial and temporal isothermality, and using peak area signal evaluation. |
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