Electrothermal atomic absorption spectrometry by reatomization from a second trapping surface
作者： Pierre Hocquellet
DOI: 10.1016/0584-8547(92)80066-P
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摘要: Abstract A method of reatomization at constant temperature is described. It based on the use a small graphite vault, i.e. an arch shaped surface, which inserted inside tube Massmann-type furnace. The atomic vapour analyte produced from wall by pulse heating atomizer quickly trapped vault coated with tantalum carbide in order to improve its retention power. occurs when heated mainly radiation, reaches stabilized atmosphere performance this design has been assessed for Cd, Zn, Pb and As determinations simple complex matrices. Compared atomization L'vov Platform, proposed provides similar sensitivities appears some cases be less affected chemical interferences.
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