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以环硫丙基丁基醚的低聚物为流动载体,用整体型液膜装置研究了银(Ⅰ)在AgNO_3(水溶液)/1,2-二氯乙烷/NH_3(水溶液)体系中的迁移特性。无载体时Ag(Ⅰ)不被迁移,有载体时在适当条件下Ag(Ⅰ)可从原料液全部迁移至接收液。Ag(Ⅰ)的迁移速率与载体浓度、液膜厚度、原料液中Ag(Ⅰ)的浓度和酸度以及接收液中添加剂有关。低聚物载体对Ag(Ⅰ)有优良的迁移选择性,原料液中同时含Ag(Ⅰ)、K(Ⅰ)、Cu(Ⅱ)、Zn(Ⅱ)时,只有Ag(Ⅰ)被迁移至接收液,从而得以分离。
In this paper, the oligomer of epithiopropyl butyl ether was used as mobile carrier. The effect of silver (Ⅰ) in AgNO_3 (aqueous solution) / 1,2-dichloroethane / NH_3 Migration features. Ag (I) is not migrated when no carrier is present, and Ag (I) can be completely transferred from the starting material to the receiver under appropriate conditions. The migration rate of Ag (Ⅰ) is related to the concentration of carrier, the thickness of liquid film, the concentration of Ag (Ⅰ) in the raw material solution and the acidity, and the additives in the receiving solution. The oligomer carrier has excellent migration selectivity for Ag (Ⅰ). Only Ag (Ⅰ) is transferred to Ag (Ⅰ), K (Ⅰ), Cu (Ⅱ) and Zn (Ⅱ) The receiving liquid is thus separated.