本文采用2-乙基已基膦酸单（2-乙基已基）酯（简称P507）的磺化煤油溶液从硫酸体系中萃取锌、镉。
In this paper, the michanism of extraction of Zinc and Cadmium from sulfuric acid sys-tem with Mono(2-cthylhexyl)2-cthylhexyl phosphonate(P507)is discusscd.
本文采用2-乙基已基膦酸单（2-乙基已基）酯（简称P507）的磺化煤油溶液从硫酸体系中萃取锌、镉。
In this paper, the michanism of extraction of Zinc and Cadmium from sulfuric acid sys-tem with Mono(2-cthylhexyl)2-cthylhexyl phosphonate(P507)is discusscd.
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