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The use of two new ligands, (1Z)-1-(4-aminophenyl) ethan-1-one semicarbazone (L1) and (1Z)-1-(4-nitrophenyl)ethan-1-one semicarbazone (L2), was evaluated for their potential use as chelators in increasing phytoremediation effectiveness. The uptake of heavy metals by Teddy Bear sunflowers increased when L1 added at 0.1 and 0.3 g/kg. Metal uptake selectivity was Cr > Ni ≫ Cd for each treatment. The...
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