Abstract

The determination of nickel in atmospheric aerosols, collected on filter paper, is performed by thermal neutron activation analysis using the65Ni (T=2.56 h) isotope. Liquid-liquid extraction and anion-exchange are applied in the chemical separation. The absolute sensitivity of the method is ≌0.02 μg Ni. The relative sensitivity is 0.005 μg Ni/m3 if an air sample of about 1000 m3 is used.

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