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Solvent extraction of zinc(II) from and into ammoniacal chloride media with trialkylmethylammonium chloride (Aliquat336) has been investigated in the presence and absence of trioctylphospine oxide (TOPO). The results indicate that zinc extraction with Aliquat336 is sensitive to pH and ammonia concentration of ammoniacal chloride solutions. The extraction efficiency of zinc increases with increasing...
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