Cited by 408Adsorption and biosorption for pollutant removalExtraction and Separation ProcessesEnvironmental remediation with nanomaterials

Preparation and characterization of chitosan/graphene oxide composites for the adsorption of Au(III) and Pd(II)

Liu, Li, Li, Cui, Bao, Changli, Jia, Qiong, Xiao, Pengfei, Liu, Xiaoting, Zhang, Qiuping·2012·Talanta

Abstract

In this work, graphene oxide (GO) was firstly prepared, following by element analysis. Glutaraldehyde cross-linked chitosan (GCCS) and chitosan/graphene oxide (CSGO) composite with three different amounts of GO (5 wt%, 10 wt% and 15 wt%) were also prepared for the adsorption of Au(III) and Pd(II) in aqueous solution. The properties of the adsorbents were investigated by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD) and surface area analysis. Batch adsorption studies were carried out. The adsorption of Au(III) and Pd(II) onto CSGO composites was optimum at pH 3.0-5.0 for Au(III) and pH 3.0-4.0 for Pd(II), which was much wider than that of GCCS. The adsorption isotherms obeyed the Langmuir isotherm models for the adsorption of Au(III) and Pd(II). Chitosan with 5 wt% graphene oxide (CSGO(5)) composite had the largest adsorption capacity for Au(III) and Pd(II) compared with the other prepared adsorbents, where the maximum adsorption capacity were 1076.649 mg/g for Au(III) and 216.920 mg/g for Pd(II), respectively. The adsorption kinetics of Au(III) and Pd(II) onto CSGO(5) followed a pseudo-second-order kinetic model, indicating that the chemical adsorption was the rate-limiting step. Thermodynamic parameters, such as Gibbs energy (ΔG°), enthalpy (ΔH°), and entropy (ΔS°), were calculated, showing that the adsorption of Au(III) and Pd(II) onto CSGO(5) were spontaneous, endothermic and feasible. The desorption studies of Au(III) and Pd(II) onto CSGO(5) showed that CSGO(5) can be used repeatedly without significantly changing its adsorption capacity and desorption percentage after 3 cycles. Besides CSGO(5) was successfully applied for the determination and separation of Au(III) and Pd(II) in ore samples.

Integrity signals

Registry

Crossref · 10.1016/j.talanta.2012.02.051

Cites

46 of 46 references verified0 citation errors · 0 not checkable

Statistics

Recomputing p-values needs the paper’s full text.

Claims the paper makes

This paper’s full text isn’t openly available, so its claims and self-check weren’t run. The registry and citation checks still apply.

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

Cites

Flagged first, then by citations

Cited by

Sorted by citations

Authors
Liu, L., Li, C., Bao, C., Jia, Q., Xiao, P., Liu, X., & Zhang, Q.
Affiliations
Jilin University (CN)
Corresponding author
Bao, Changli
Venue
Talanta
Publisher
Elsevier BV
Published
2012-05
Volume
93
Pages
350-357
ISSN
0039-9140 (ISSN-L)
OpenAlex
W2023924891
Cited by
408
References
46
Citations by year
2026: 11 · 2025: 19 · 2024: 25 · 2023: 32 · 2022: 33 · 2021: 34 · 2020: 38 · 2019: 39 · 2018: 45 · 2017: 28 · 2016: 37 · 2015: 21 · 2014: 21 · 2013: 23 · 2012: 2
FWCI
19.43
Type
journal article
Language
en
Open access
closed
Locations
  • Talanta (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
  • Physical Sciences › Engineering › Mechanical Engineering › Extraction and Separation Processes
  • Physical Sciences › Engineering › Biomedical Engineering › Environmental remediation with nanomaterials
Keywords
gold(III) adsorption, palladium(II) adsorption, heavy metal removal from water, adsorption isotherms, adsorption kinetics, adsorption thermodynamics, adsorbent reusability, desorption
MeSH terms
Adsorption, Gold, Graphite, Hydrogen-Ion Concentration, Kinetics, Oxides, Palladium, Temperature, Thermodynamics, Chitosan

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review