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Determination of Silver and Cadmium by Microwave Induced Plasma Atomic Absorption Spectrometry with Electrothermal Vaporization Sample Introduction System

DU Xiaoguang(Department of Chemistry,Northeast University,Shenyang 110006),DUAN Yixiang and JIN Qinhan(Department of Chemistry,Jilin University,Changchun 130023)  
lowpower argon microwave induced plasma with an electrothermal vaporization sample introduction system was used as an atomizer for AAS.A concentrated H2SO4 desiccator was used for desolvation.Experimental parameters such as microwave forward power,carrier gas flow rate,voltage of desolvation,time of desiccation ,voltage of vaporization and acidity of the solution for determining trace Ag and Cd by AAS were optimized.The method has been successfully applied to the analysis of aqueous samples.
【CateGory Index】: O657.3
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