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2,4-Dihydroxyacetophenone-dithiooxamide-formaldehyde terpolymer is an example of chelating resin functionalized with DTO and used for adsorption of Fe(III), Cu(II), Ni(II), Co(II), and Zn(II) ions [23], polystyrene-divinylbenzene functionalized with DTO has been used for removal of Cu(II), Zn(II), Cd(II), and Pb(II) ions [24], and DTO groups incorporated into a matrix of polystyrene-divinylbenzene have been used for Pd(II) adsorption [25], Dithiooxamide-formaldehyde (DTOF) chelating resin has been used for the adsorption of silver metal ion.
The synthesized resin was applied for adsorption of nickel (II) ions comparing with the conventional DTOF chelating resin.
1989), or through capture of the positively charged unbound Al species on a cation-exchange or chelating resin (e.
A buffered sample is loaded onto a column packed with an appropriate cation exchange chelating resin.
Similar results were obtained with previous study with chelating resin (41).
1)] for maximum loading and thereafter for stripping off from the chelating resin.
A hydrophilic polysaccharide matrix of guaran has been used for the preparation of some new chelating resins, i.
During the past two decades, the use of chelating resin for metal ion preconcentration and separation has been considerably increased [l-5].
In this article, we synthesized a novel chelating resin containing both sulfur and nitrogen, porous crosslinked polystyrene immobilizing 2-amino pyridine via sulfur-containing spacer arm.
In this article, a novel chelating resin anchoring 2-amino-pyridine on macroporous crosslinked polystyrene beads via a sulfur-containing spacer was synthesized.
Chen and coworkers have reported the syntheses and applications in adsorption of noble metals of a series of chelating resin containing such functional groups as aminopyridine, 2-thiolbenzothiazole, 2-hydroxypyridine [14], N-methyl-2-thioimidzaole [19], etc.
We prepare a novel chelating resin S,N-containing heterocycle, macroporous cross-linked polystyrene immobilizing 2,5-dimercapto-1,3,4-thiodiazole via a hydrophilic tetraethylene glycol spacer (PS-TEG-BMT).