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Extraction of dicyanoaurate(I) using supported liquid membranes in a flow-injection manifold: evaluation of extractants

✍ Scribed by D.E. Barnes; M.J.C. Taylor; G.D. Marshall; J.F. Van Staden

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
953 KB
Volume
274
Category
Article
ISSN
0003-2670

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✦ Synopsis

Several potential extractants were consldered as the active compound m supported bqmd membranes (SLMs) for the selective extractlon of dxyanoaurate(I) from alkaline process solutions SLM systems contammg pnmary, secondary, tertiary, and quaternary ammes, m which the extractlon and back-extraction IS achieved m one step, are proposed The various SLMs were compared usmg flow-rmectlon analvsls (FIA) Thev were evaluated on the basis of their stab&y, selectmty, and respect& pe.rmeab& for Bold

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✍ M.J.C. Taylor; D.E. Barnes; G.D. Marshall πŸ“‚ Article πŸ“… 1992 πŸ› Elsevier Science 🌐 English βš– 846 KB

## Absbact A method for the determmatlon of traces of gold m cyamde process solutions has been developed Preconcentratlon of the dlcyanoaurate(I) amon IS achieved by extraction mto a supported liquid membrane, formed by the m situ coatmg of a thm layer of organic phase onto a polymenc support This