Abstract
The analytical potential of the first commercial nondispersive atomic fluorescence spectrometer (NAFS) with a tantalum coil atomizer for monitoring iron in HCl gas has been investigated. The technical parameters suggested earlier were improved. Software for spectrometer control and treatment of the analytical signal was developed. The depressing effect of HCl gas on the analytical signal of iron in argon, which depends on the concentration of HCl gas, was demonstrated. The limit of detection (LOD) of Fe in a mixture of 1% HCl in Ar was found to be 9 ppb ( v/v).
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