Journal
JOURNAL OF ANALYTICAL CHEMISTRY
Volume 65, Issue 1, Pages 12-16Publisher
PLEIADES PUBLISHING INC
DOI: 10.1134/S106193481001003X
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Funding
- Russian Foundation for Basic Research [08-03-00766]
- Russian Science Support Foundation
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New solid extractants are synthesized with the use of imidazolium and phosphonium ionic liquids for preconcentrating noble metals. Ionic liquids are selected and conditions for their immobilization on various solid matrices are found. The adsorption properties of the synthesized solid extractants for platinum(IV) in hydrochloric acid solutions are studied. The solid extractants obtained by binding 1-hexadecyl-3-methylimidazolium bromide and trihexyltetradecylphosphonium chloride to polymeric matrices and multiwall carbon nanotubes possess good kinetic properties and selectivity in 1 M HCl, and can be used to preconcentrate Pt(IV), Pd(II), and Au(III) in combined methods of their determination.
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