Atomic absorption determination of elements in solid samples using an electrothermal atomizer ‘crucible with separated zones’

  • V. N. Oreshkin
  • G. I. Tsizin


A model of an electrothermal atomizer given the name ‘crucible with separated zones’ has been proposed. It provides the filtration of sample vapors through porous walls of a graphite tube placed in the atomization zone and heated independently of the evaporation zone. The inner volume of the tube is an isothermal analytical zone. The atomizer has been applied to the analysis of solid sea and river suspensions, DETATA concentrates of waters, and bottom sediments weighing 30–50 mg and more. As a result, the performance characteristics of the direct atomic absorption determination of Cd, Ag, and Pb in geochemical samples of complicated composition have been improved.


electrothermal atomizer atomic absorption spectrometry 


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Copyright information

© Pleiades Publishing, Ltd. 2011

Authors and Affiliations

  • V. N. Oreshkin
    • 1
  • G. I. Tsizin
    • 2
  1. 1.Institute of Fundamental Problems of BiologyRussian Academy of SciencesPushchino, Moscow oblastRussia
  2. 2.Department of ChemistryMoscow State UniversityMoscowRussia

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