FIELD: spectral instrumentation engineering. SUBSTANCE: invention may find use in determination of microquantities of elements in solutions with the aid of atomic-fluorescent method. Analyzer has wolfram spiral spray gun, simulated source of excitation of fluorescence, optical system of formation of excitation flux, photoelectric detector connected to registering device optically coupled, optical projection system composed of objective and diaphragm placed on optical axis passing through turns of wolfram spiral spray gun perpendicular to plane of its turns so that image of turns of spray gun is located within plane of diaphragm. Interference filter is put between diaphragm and photoelectric detector. Source of excitation is fitted with unit of automatic stabilization of glow intensity on resonance length of wave. EFFECT: improved authenticity and efficiency of analysis. 1 dwg, 1 tbl
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