JOURNAL OF TRACE AND MICROPROBE TECHNIQUES, vol.20, no.1, pp.127-140, 2002 (SCI-Expanded)
A totally 33 soil samples influenced mainly by traffic density collected from around of highways in various locations of Turkey were analyzed by FAAS using three different extractant solutions, namely; 0.1M HCl, 1M CH3COONH4, andaqua regia solutions for determining the con-centrations of various physicochemical forms of metals (Cu, Pb, Cd, Fe, Ni, Mn, Cr, Co, Bi andZn) which are acid-soluble, exchangeable, and total, respectively. Accuracy of the methodwas testedby spiking the known amount of the elements interested to soil extracts for each extraction procedure. The accuracy of results for each extraction procedure was found to be satisfactory. Also, the standard addition method was applied for the soil leachings obtainedby using each extractant. The detection limits of metals for different extraction procedures were between 0.02 and
1.08 µg ml-1. Correlation analysis andprincipal component analysis were applied to the data matrix to evaluate the analytical results and to iden-tify the possible pollution sources of metals.