实验用P204做萃取剂，用磺化煤油做稀释剂。
P204 was used as extractant and sulfonated kerosene was used as thinner in the experiment.
结果表明，较合适的溶剂和萃取剂分别为磺化煤油和三烷基氧膦。
The results showed that the proper organic solvent and extractant were sulfonated kerosene and trialkyl phosphine oxide.
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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