Atomic absorption spectrometry of tin with electro-thermal atomization in a molybdenum microtube |
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| Authors: | Kiyohisa Ohta Masami Suzuki |
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| Institution: | Department of Chemistry, Faculty of Engineering, Mie University, Kamihamacho, Tsushi, Mie-ken 514 Japan |
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| Abstract: | The atomic absorption spectrometry of tin with atomization in a molybdenum microtube is described. The addition of hydrogen to the argon purge gas improves the efficiency of atomization of tin; measurements are best done at 224.61 nm. Phosphoric acid lowers the atomization temperature of tin, and depresses the interferences from diverse elements. Tin in canned foods (fruit juices and drinks) can be determined by direct atomization after dilution with phosphoric acid. Prior extraction is necessary for analysis of geological materials. |
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