Articles with "separation preconcentration" as a keyword



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Separation/preconcentration of trace Pb(II) and Cd(II) with 2-mercaptobenzothiazole impregnated Amberlite XAD-1180 resin and their determination by flame atomic absorption spectrometry

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Published in 2017 at "Arabian Journal of Chemistry"

DOI: 10.1016/j.arabjc.2013.04.017

Abstract: Abstract A new chelating resin, 2-mercaptobenzothiazole loaded Amberlite XAD-1180 was prepared and used for separation and preconcentration of Cd(II) and Pb(II) ions prior to their determinations by flame atomic absorption spectrometry. The optimum pH for… read more here.

Keywords: xad 1180; amberlite xad; absorption spectrometry; separation preconcentration ... See more keywords
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High-capacity extraction chromatographic materials based on polysulfone microcapsules for the separation and preconcentration of lanthanides from aqueous solution.

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Published in 2019 at "Talanta"

DOI: 10.1016/j.talanta.2019.01.026

Abstract: Extractant-loaded polysulfone (PS) capsules suitable for the separation and preconcentration of rare earth ions from acidic media have been prepared and characterized. Specifically, PS macro- and microcapsules have been impregnated with bis(2-ethylhexyl)phosphoric acid (HDEHP), and… read more here.

Keywords: hdehp; extraction; extraction chromatographic; capacity ... See more keywords
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Selective separation and preconcentration of Th(iv) using organo-functionalized, hierarchically porous silica monoliths

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Published in 2019 at "Journal of Materials Chemistry A"

DOI: 10.1039/c8ta07952h

Abstract: Hierarchical macroporous–mesoporous diglycolamide-modified silica monolith used as a selective sorbent for continuous flow separation of Th(iv) from rare earth elements. read more here.

Keywords: separation; separation preconcentration; using organo; selective separation ... See more keywords
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A microextraction method based on precipitation for the simultaneous separation and preconcentration of cadmium and lead before their determination by FAAS: experimental design methodology

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Published in 2020 at "Separation Science and Technology"

DOI: 10.1080/01496395.2020.1788597

Abstract: ABSTRACT A simple and rapid separation and preconcentration method based on precipitation combined with flame atomic absorption spectrometry for the determination of trace amounts of cadmium and lead ions has been introduced. Under the optimum… read more here.

Keywords: methodology; separation preconcentration; determination; method ... See more keywords
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Magnetic Graphene Oxide as an Efficient Adsorbent for the Separation and Preconcentration of Cu(II), Pb(II), and Cd(II) from Environmental Samples.

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Published in 2017 at "Journal of AOAC International"

DOI: 10.5740/jaoacint.16-0230

Abstract: The separation and preconcentration of copper(II), lead(II), and cadmium(II) ions on magnetic graphene oxide (MGO) by solid-phase extraction was carried out. Quantitative recovery was obtained by adsorption of analytes on MGO at pH 6 and… read more here.

Keywords: graphene oxide; separation preconcentration; magnetic graphene;