التغاير الجيوكيميائي و محتوى الرصاص في مياه الامطار المتساقطة على مدينة كركوك - شمالي العراق

Geochemical variation and lead content in rain water fall on Kirkuk City - Northern Iraq

The present work included collect (8) samples of rain water falled on Kirkuk city from the period of December 2013 to June 2014. The concentration of Lead (pb) was measured in these samples in a high accuracy by using Inductively coupled Plasma Mass Spectrophotometer (ICP.MS). some physical and chemical parameters (pH, Electrical Conductivity (E.C.) , Temperature TC° , Total Dissolved Solid (T. D. S.) were detected in the above samples as well. Concentration of some major ions and minor elements which are soluble in rain water such as (Co, Ba, As, Br, Ce, S, P, Ni, Na, Mo, Mn, Mg, K, Cl, Cu, Cr, Ca, Zn, Sr, Si) were measured. Lead source in rain water from urban and industrial activities. The results was proved the average value of pH in the collected samples showed a slightly acidic property . Geochemical distribution of Pb showed that its concentration in the samples of the first rain was higher than the later samples, In general the average lead concentration in rain water reached (0.5750 ppb) is higher than the allowable limit for drinking water by the World Health Organization.