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In this work, chemical modifiers in solution (Pd/Mg, NH 4 H 2 PO 4 and NH 4 NO 3 /Pd) were compared with permanent modifiers (Ir and Ru) for the determination of lead in fertilizer and limestone samples using slurry sampling and graphite furnace atomic absorption spectrometry with Zeeman-effect background correction. The analytical line at 283.3nm was used due...
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