Abstract
The characteristics of the distribution of particles by size were investigated for sulphates and selected metals (Pb, Fe, Mn, and Cu) in the air in two urban and an industrial area during the winter and summer periods using an Andersen cascade impactor.
In the case of metals, but not sulphates, the character of the area affected the value of mass median diameter. Lowest values were obtained in a sparsely populated urban area, whereas in a densely populated urban area and in the industrial area the values were higher.
In the industrial area a high correlation coefficient was found between sulphate and manganese, and between sulphate and lead, as well as a high value of the equivalent Mn2+/SO sup2-inf4 ratio for the total sample. It may therefore be assumed that in the industrial area manganese produces a catalytic effect on SO2 conversion to sulphate. Among the investigated metals lead stands out as a dominant cation which binds to the sulphate ion in the industrial and densely populated areas.
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Gentilizza, M., Vadjić, V. & Hršsak, J. The characteristics of size distribution of suspended particulates in the air for sulphates and selected metals in different areas and seasons. Environ Monit Assess 11, 137–146 (1988). https://doi.org/10.1007/BF00401726
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DOI: https://doi.org/10.1007/BF00401726