Reference health
Efficient removal of Cr(VI) and Pb(II) from aqueous solution by magnetic nitrogen-doped carbon
1 of 49 checkable references need attention · checked 2026-07-22
At the dated check, the references listed below either did not resolve in Crossref or DataCite, or carried a retraction notice. Each one is shown with the registry record that put it there.
References needing attention
marked retracted by the publisher10.1039/C4RA10189H
Retracted Article: Efficient removal of a typical dye and Cr(
<scp>vi</scp>
) reduction using N-doped magnetic porous carbon
The 48 checked references that resolve
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Synthesis and characterization of a new starch/SnO2 nanocomposite for efficient adsorption of toxic Hg2+ metal ion
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Simultaneous removal of heavy metals and cyanate in a wastewater sample using immobilized cyanate hydratase on magnetic-multiwall carbon nanotubes
resolves10.1016/j.ecoenv.2019.03.056
Advantages and disadvantages of different pre-cooking and cooking methods in removal of essential and toxic metals from various rice types- human health risk assessment in Tehran households, Iran
resolves10.1016/j.molliq.2018.07.072
Synthesis of highly-efficient functionalized biochars from fruit industry waste biomass for the removal of chromium and lead
resolves10.1016/j.jcis.2018.12.078
Efficient removal of heavy metal ions and organic dyes with cucurbit [8] uril-functionalized chitosan
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Novel modified poly vinyl chloride blend membranes for removal of heavy metals from mixed ion feed sample
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Adsorption of ion pairs onto graphene flakes and impacts of counterions during the adsorption processes
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Synthesis of an oxidized mesoporous carbon-based magnetic composite and its application for heavy metal removal from aqueous solutions
resolves10.1016/j.jallcom.2017.12.178
Magnetic iron oxide-carbon nanocomposites: Impacts of carbon coating on the As(V) adsorption and inductive heating responses
resolves10.1016/j.apsusc.2018.11.204
Hierarchical LiFe5O8@PPy core-shell nanocomposites as electrode materials for supercapacitors
resolves10.1016/j.carbon.2016.06.063
Porous and high electronic conductivity nitrogen-doped nano-sheet carbon derived from polypyrrole for high-power supercapacitors
resolves10.1021/acs.langmuir.7b04370
Effect of Porosity Parameters and Surface Chemistry on Carbon Dioxide Adsorption in Sulfur-Doped Porous Carbons
resolves10.1016/j.matlet.2010.02.055
A new kind of mesoporous Fe7Co3/carbon nanocomposite and its application as magnetically separable adsorber
resolves10.1080/01932691.2017.1404917
Enhancement adsorption of hexavalent chromium from aqueous solution on polypyrrole using ethylamine group
resolves10.1016/j.electacta.2016.05.059
Coaxial Co 3 O 4 @polypyrrole core-shell nanowire arrays for high performance lithium ion batteries
resolves10.1016/j.cej.2015.05.118
Dedoped Fe3O4/PPy nanocomposite with high anti-interfering ability for effective separation of Ag(I) from mixed metal-ion solution
resolves10.1039/C0EE00277A
Nitrogen-containing microporous carbon nanospheres with improved capacitive properties
resolves10.1016/j.cej.2016.03.016
Facile fabrication of Fe3O4/MIL-101(Cr) for effective removal of acid red 1 and orange G from aqueous solution
resolves10.1016/j.jssc.2014.06.005
Effect of ZnCl2 activation on CO2 adsorption of N-doped nanoporous carbons from polypyrrole
resolves10.1016/j.jcis.2017.12.081
An effective bifunctional electrocatalysts: Controlled growth of CoFe alloy nanoparticles supported on N-doped carbon nanotubes
resolves10.1039/C5RA23306B
One-pot synthesis of monodispersed porous CoFe
<sub>2</sub>
O
<sub>4</sub>
nanospheres on graphene as an efficient electrocatalyst for oxygen reduction and evolution reactions
resolves10.1039/C4TA02062F
Ta and Nb co-doped TiO
<sub>2</sub>
and its carbon-hybrid materials for supporting Pt–Pd alloy electrocatalysts for PEM fuel cell oxygen reduction reaction
resolves10.1016/j.jwpe.2017.02.012
Polyethylenimine −functionalized amorphous carbon fabricated from oil palm leaves as a novel adsorbent for Cr(VI) and Pb(II) from aqueous solution
resolves10.1016/j.cej.2016.11.006
Surface ion imprinting-mediated carbon nanofiber-grafted highly porous polymeric beads: Synthesis and application towards selective removal of aqueous Pb(II)
resolves10.1016/j.cej.2013.08.078
Hydroxyl-functionalized ionic liquid-based cross-linked polymer as highly efficient adsorbent for anionic azo dyes removal
resolves10.1016/j.desal.2010.09.016
Adsorption of 2,4,6-trichlorophenol from aqueous solution onto activated carbon derived from loosestrife
resolves10.1016/j.geoderma.2018.03.019
Freundlich sorption parameters for cadmium, copper, nickel, lead, and zinc for different soils: Influence of kinetics
resolves10.1021/ie401092f
Adsorption Behavior of Heavy Metal Ions from Aqueous Solution by Soy Protein Hollow Microspheres
resolves10.1016/j.molliq.2018.11.032
Magnetic arginine-functionalized polypyrrole with improved and selective chromium(VI) ions removal from water
resolves10.1016/j.seppur.2017.11.057
A novel method for removal of Cr(VI) using polypyrrole magnetic nanocomposite in the presence of unsteady magnetic fields
resolves10.1016/j.reactfunctpolym.2018.04.002
Poly(N,N-dimethylaminoethyl methacrylate) for removing chromium (VI) through polymer-enhanced ultrafiltration technique
resolves10.1016/j.jclepro.2018.05.279
A study on adsorption of Cr (VI) by modified rice straw: Characteristics, performances and mechanism
resolves10.1016/j.ecoenv.2018.11.049
Composite nanofibers membranes of poly(vinyl alcohol)/chitosan for selective lead(II) and cadmium(II) ions removal from wastewater
resolves10.1016/j.chemosphere.2018.10.021
Removal of Pb(II) ions from aqueous solutions using functionalized cryogels
resolves10.1016/j.matchemphys.2019.01.002
New magnetic silica-based hybrid organic-inorganic nanocomposite for the removal of lead(II) and nickel(II) ions from aqueous solutions
resolves10.1016/j.jcis.2020.01.055
Intrinsic acid resistance and high removal performance from the incorporation of nickel nanoparticles into nitrogen doped tubular carbons for environmental remediation
resolves10.1016/j.jcis.2018.12.002
Unraveling the intrinsic enhancement of fluorine doping in the dual-doped magnetic carbon adsorbent for the environmental remediation
resolves10.1016/j.cej.2018.12.081
Highly efficient and acid-corrosion resistant nitrogen doped magnetic carbon nanotubes for the hexavalent chromium removal with subsequent reutilization
resolves10.1039/C8TA02861C
Hexavalent chromium removal over magnetic carbon nanoadsorbents: synergistic effect of fluorine and nitrogen co-doping
resolves10.1016/j.carbon.2016.08.035
One-pot melamine derived nitrogen doped magnetic carbon nanoadsorbents with enhanced chromium removal
resolves10.1021/acs.iecr.7b02835
Magnetic Nanocarbon Adsorbents with Enhanced Hexavalent Chromium Removal: Morphology Dependence of Fibrillar vs Particulate Structures
resolves10.1016/j.jclepro.2020.120562
Removal and reduction of Cr(Ⅵ) in simulated wastewater using magnetic biochar prepared by co-pyrolysis of nano-zero-valent iron and sewage sludge
resolves10.1016/j.cej.2019.123790
Biofabrication of iron oxide nanoparticles using manglicolous fungus Aspergillus niger BSC-1 and removal of Cr(VI) from aqueous solution
resolves10.1016/j.cej.2019.05.016
Application of Polypyrrole flexible electrode for electrokinetic remediation of Cr(VI)-contaminated soil in a main-auxiliary electrode system
resolves10.1016/j.chemosphere.2020.126102
Efficient removal of Cr(VI) from water by the uniform fiber ball loaded with polypyrrole: Static adsorption, dynamic adsorption and mechanism studies
resolves10.1016/j.jclepro.2018.11.254
Enhanced removal of lead ions from aqueous solution by iron oxide nanomaterials with cobalt and nickel doping
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