专利名称：Phosphoric acid extraction process发明人：Martin J. Jacobs申请号：US06/2929申请日：19840821公开号：US043239A公开日：19850924
摘要：A method for extracting phosphoric acid from wet process phosphoric acid isdisclosed. N,N-dialkyl-&agr;-aminoacids are contacted with wet process phosphoric acidto extract substantially pure phosphoric acid therefrom. The N,N-dialkyl-&agr;-aminoacids are dissolved in a diluent.
申请人：INTERNATIONAL MINERALS & CHEMICAL CORP.
代理人：T. L. Farquer,H. E. Post
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