Abstract

The ability of atrazine to interact with several metals was investigated by means of synergistic liquid–liquid extraction. For that purpose, the extraction of cadmium, copper, lead and zinc by 1-phenyl-3-methyl-4- p-tertbutylbenzoyl-5-hydroxypyrazole (HL) in chloroform was studied in the presence of atrazine (ATR). This pesticide enhanced the extraction of these metals in the order Cd>Zn>Cu through the formation of a ML 2(ATR) complex. However, no influence of atrazine was observed on the extraction of lead.

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