Metal ion extraction with a thiol hydrophilic resin. [N,N'-methylenebis(acrylamide) cross-linked poly(N-((acryloylamino)methyl)-mercaptoacetamide) resin]
Journal Article
·
· Anal. Chem.; (United States)
The application of 30% N,N'-methylenebis(acrylamide) cross-linked poly(N-((acryloylamino)methyl)mercaptoacetamide) resin for the concentration of metal ions from aqueous solutions has been investigated. A flow injection analysis method using a color forming reagent was developed, allowing fast cation assays. The pH dependence of the metal extraction for Na, Ca, Mn(II), Fe(II), Co(II), Ni(II), Cu(II), Zn(II), Ag(I), Cd(II), Hg(II), Pb(II), and UO/sub 2//sup 2 +/ was studied. Heavy metals and Cu(II) exhibit a high affinity toward the thiol functions of the resin (half extraction pH <2), with fast fixation kinetics due to the hydrophilic matrix. The maximum resin capacity depends on the metal ion, due to the formation of ML/sub 2/ or/and MLL' complexes involving thiol functions and anion ligands. The resin selectivity determined at pH 5.5 is, in increasing order, Zn(II), Cd(II), Pb(II), Cu(II), and Hg(II).
- Research Organization:
- Universite Paris-Val de Marne, Creteil, France
- OSTI ID:
- 6122923
- Journal Information:
- Anal. Chem.; (United States), Journal Name: Anal. Chem.; (United States) Vol. 53:12; ISSN ANCHA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400105* -- Separation Procedures
ACTINIDES
ALKALI METALS
ALKALINE EARTH METALS
AQUEOUS SOLUTIONS
CADMIUM
CALCIUM
CHEMICAL ANALYSIS
COBALT
COMPARATIVE EVALUATIONS
COPPER
DATA
DISPERSIONS
ELEMENTS
EXPERIMENTAL DATA
INFORMATION
ION EXCHANGE
IRON
LEAD
MANGANESE
MERCURY
METALS
MIXTURES
NICKEL
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC POLYMERS
ORGANIC SULFUR COMPOUNDS
PETROCHEMICALS
PETROLEUM PRODUCTS
PH VALUE
POLYAMIDES
POLYMERS
QUANTITATIVE CHEMICAL ANALYSIS
RESINS
SILVER
SODIUM
SOLUTIONS
SORPTIVE PROPERTIES
SURFACE PROPERTIES
TRANSITION ELEMENTS
URANIUM
ZINC
400105* -- Separation Procedures
ACTINIDES
ALKALI METALS
ALKALINE EARTH METALS
AQUEOUS SOLUTIONS
CADMIUM
CALCIUM
CHEMICAL ANALYSIS
COBALT
COMPARATIVE EVALUATIONS
COPPER
DATA
DISPERSIONS
ELEMENTS
EXPERIMENTAL DATA
INFORMATION
ION EXCHANGE
IRON
LEAD
MANGANESE
MERCURY
METALS
MIXTURES
NICKEL
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC POLYMERS
ORGANIC SULFUR COMPOUNDS
PETROCHEMICALS
PETROLEUM PRODUCTS
PH VALUE
POLYAMIDES
POLYMERS
QUANTITATIVE CHEMICAL ANALYSIS
RESINS
SILVER
SODIUM
SOLUTIONS
SORPTIVE PROPERTIES
SURFACE PROPERTIES
TRANSITION ELEMENTS
URANIUM
ZINC