膜
硝酸盐
牙冠(牙科)
化学
硝酸银
材料科学
核化学
有机化学
生物化学
复合材料
作者
Ali El Bachiri,Agnès Hagège,M. Burgard
标识
DOI:10.1016/s0376-7388(96)00169-x
摘要
The solvent extraction and transport through a bulk liquid membrane of silver nitrate from a copper nitrate medium by dicyclohexano 18 crown 6 (DC18C6) in dichloromethane takes place via the formation of the complex ion pair Ag(DC18C6)NO3 in the organic phase. The selectivity of the transfer process characterises the semi-permeability of the liquid membrane, which is able to concentrate silver cations. Results show that the transport is well described by the two-film theory.
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