Analysis of selected fertilizers imported to Libya for major, minor, trace and toxic elements using ICP-OES and INAA |
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| Authors: | U. El-Ghawi G. Pátzay N. Vajda D. Dódizs |
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| Affiliation: | (1) Department of Chemical Technology, Technical University of Budapest, H-1521 Budapest, Hungary;(2) Institute of Nuclear Techniques, Technical University of Budapest, H-1521 Budapest, Hungary;(3) Present address: Tajura Nuclear Research Center, P. O. Box 84462, Tripoli, Libya |
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| Abstract: | The concentration of 35 elements (Al, As, B, Ba, Be, Ca, Cd, Co, Cl, Cr, Cu, Fe, K, Mg, Mn, Mo, N, Na, Ni, P, Pb, Rb, S, Sb, Sc, Si, Sr, Tb, Th, Ti, U, V, Yb, Zn and Zr) in six different imported, NPK, NP and K fertilizers were determined by ICP-OES in two different laboratories and by INAA. The fertilizers were labeled as 24/12 (Belgium), 46/18 (Morocco), 50% ammonium sulfate 50% K2O (Belgium), New 24/12 (Belgium), 16.8.24 (France) and 17.17.17 (France). It is clear that these fertilizers vary widely in their heavy metals and uranium content, and the accumulation of certain elements in vitally important media such as water, soil and food is undesirable from the medical point of view. The results obtained were acceptable and intercomparison between various methods was carried out. |
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