The utility model relates atomic absorption spectral analysis and can be used in atomic absorption spectrometer, in particular when creating electrothermal atomizer for the thermal decomposition of the sample. The inventive electrothermal atomiser for atomic-absorption spectrometer, including a pair of water-cooled cylindrical holders annular graphite electrodes installed therebetween heated by the graphite cuvette cylindrical and coaxially covering its cylindrical shroud with radial metering orifice extending into the interior of the cell. What is new is that the protective cover is provided with a reflecting surface, and the space between the protective casing and the cuvette is divided inert gas stream, wherein the guard may have a window in the reflective surface to remotely control the cell temperature. The utility model contains 4 dependent claims, 5 figures.
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