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A novel method was established for simultaneous determination of trace arsenic and cadmium by hydride generation atomic fluorescence spectrometry (HG-AFS) using nanoparticles of zero-valent iron (nZVI) for separation and pre-concentration. As (III) and Cd (II) were selectively adsorbed by nZVI and easily separated from the sample matrix by a magnet. The nZVI was then completely dissolved in hydrochloric...
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