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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 22, Number 10
BKCSDE 22(10)
October 20, 2001 

 
Title
Permeation of Silver Ion through Polymeric CTA Membrane Containing Acyclic Polyether Bearing Amide and Amine End-Group
Author
Jong Seung Kim, Sun Kyu Kim, Moon Hwan Cho, Soo Heon Lee, Jong Yeol Kim, Seon-Gil Kwon, Eil-Hee Lee
Keywords
Acyclic polyether, Membrane, Supported liquid membrane, Transport experiment, Polymer inclusion membrane.
Abstract
The transport behaviors of silver ion were observed from source solution into receiving solution through PIM regardless of ligand lipophilicity when acyclic polyether bearing diamine end-group was used as an organic carrier. Polymeric Inclusion Membrane (PIM) showed faster transport of silver ion than Supported Liquid Membrane (SLM) even though 10-fold diluted source concentration (PIM- 0.01 M, SLM- 0.10 M) was used. A maximum efficiency with respect to the permeability coefficient of silver ion was in the combination of 10mM of acyclic polyether and 10 mM of silver ion utilized in PIM system. The PIM gave the best permeability coefficient (-7.00) comparing with for SLM system (-8.40), indicating that PIM gave 15 times better permeability for silver ion than the SLM system. In cellulose triacetate (CTA) membrane, organic carrier and solvent do not leak out into the agitated aqueous phases giving a long-term stability and good durability.
Page
1076 - 1080
Full Text
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