Determination of heavy metals in leaves and bark of Populus Nigra L by atomic absorption spectrometry

摘要

The aim of this paper was to study the metal accumulation in leaves and barkof Populus nigra L from atmosphere or soil. The heavy metals, including Cu, Ni, Zn,and Cd, concentrations were determined by atomic absorption spectrometry (AAS) inleaf, bark and soil samples collected from two polluted areas (i.e. Nvodari Camp andNvodari Fertilizer Chemical Plant), in Romania. To determine the relationshipbetween the metals concentration in leaves and bark and metals concentration in soil,the regression analysis has been performed and the values of the determined coefficientR2 have been studied.