NDLI: A high selective ion-imprinted polymer grafted on a novel nanoporous material for efficient gold extraction.

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A high selective ion-imprinted polymer grafted on a novel nanoporous material for efficient gold extraction.

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A high selective ion-imprinted polymer grafted on a novel nanoporous material for efficient gold extraction.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Moazzen, Elahe Ebrahimzadeh, Homeira Amini, Mostafa M. Sadeghi, Omid
Description	Country affiliation: Iran Author Affiliation: Moazzen E ( Department of Chemistry, Shahid Beheshti University, G.C, Tehran, Iran.)
Abstract	In this work, for the first time, an ion-imprinted polymer was developed for selective extraction and determination of gold ions. To increase the sorbent efficiency, this polymer was coated on a novel nanoporous carbon-based material, carbohydrate-derived Max-Planck Gesellschaft 1, which is also the first example of grafting imprinted polymer on nanoporous-carbon material. These particles were applied successfully for preconcentration of ultratrace amount of gold ions, following determination by flame atomic absorption spectrometry. Some effective factors on the efficiency of gold ions extraction, such as concentration and volume of eluent, sample and eluent flow rates, and also effect of interfering ions especially palladium and platinum ions, were investigated. The LOD was determined to be 0.27 ng/mL. Furthermore, the precision of the method was calculated to be 2.14% under optimal conditions with recovery more than 97.3%. The technique was also used to determine the concentration of gold ions in mine stone samples with satisfactory results. The accuracy of this method was investigated by determination of gold ions concentrations in several reference materials with certified gold content.
File Format	HTM / HTML
ISSN	16159306
Issue Number	11
Volume Number	36
e-ISSN	16159314
Journal	Journal of Separation Science
Language	English
Publisher	Wiley-VCH
Publisher Date	2013-06-01
Publisher Place	Germany
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Analytical Discipline Chemistry Gold Chemistry Nanostructures Polymers Solid Phase Extraction Instrumentation Adsorption Isolation & Purification Molecular Imprinting Chemical Synthesis Porosity Methods Spectrophotometry, Atomic Journal Article
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry Filtration and Separation

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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